Two numbers are in the ration 3:5. If 9 is subtracted from the numbers, the ratio becomes 12:23. The numbers are (A) 30, 50 (B) 36, 60 (C) 33, 55 (D) 42, 70

Two numbers are in the ration 3:5. If 9 is subtracted from the numbers, the ratio becomes 12:23. The numbers are (A) 30, 50 (B) 36, 60 (C) 33, 55 (D) 42, 70
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Answer: C
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Which is the number that comes next in the following sequence? 2, 6, 12, 20, 30, 42, 56, ………… (A) 60 (B) 64 (C) 72 (D) 70

Description : Which is the number that comes next in the following sequence? 2, 6, 12, 20, 30, 42, 56, ………… (A) 60 (B) 64 (C) 72 (D) 70

Last Answer : (C) 72

The mean of the ages of father and his son is 27 years. After 18 years, father will be twice as old as his son. Their present ages are (A) 42, 12 (B) 40, 14 (C) 30, 24 (D) 36, 18

Description : The mean of the ages of father and his son is 27 years. After 18 years, father will be twice as old as his son. Their present ages are (A) 42, 12 (B) 40, 14 (C) 30, 24 (D) 36, 18

Last Answer : Answer: A

At present, a mother is 3 times older than her son. After 5 years, the sum of their ages will be 70 years. The age of the mother after 10 years will be (A) 40 (B) 55 (C) 45 (D) 60

Description : At present, a mother is 3 times older than her son. After 5 years, the sum of their ages will be 70 years. The age of the mother after 10 years will be (A) 40 (B) 55 (C) 45 (D) 60

Last Answer : 45

Insert the missing number: 36/62, 39/63, 43/61, 48/64, ? (A) 51/65 (B) 56/60 (C) 54/60 (D) 33/60

Description : Insert the missing number: 36/62, 39/63, 43/61, 48/64, ? (A) 51/65 (B) 56/60 (C) 54/60 (D) 33/60

Last Answer : Answer: C Observer 36/62, 39/63, 43/61, 48/64, ? series Upper part is increase by 3, 4, 5, 6 i.e 36+3= 39, 39+4 = 43, 43+5 = 48, 48 + 6 = 54.

In India, which one of the following should be considered the right combination of the age in days and live body weight in kg for a lamb for its weaning ? (A) 20 days to 30 days and 6 kg to 7 kg (B) 45 days to 60 days and 8 kg to 10 kg (C) 105 days to 120 days and 18 kg to 21 kg (D) 75 days to 90 days and 12 kg to 15 kg (E) 55 days to 70 days and 9 kg to 11 kg

Description : In India, which one of the following should be considered the right combination of the age in days and live body weight in kg for a lamb for its weaning ? (A) 20 days to 30 days and 6 kg to 7 kg (B) 45 days to 60 ... (D) 75 days to 90 days and 12 kg to 15 kg (E) 55 days to 70 days and 9 kg to 11 kg

Last Answer : (C) 105 days to 120 days and 18 kg to 21 kg

The odd numbers from 1 to 45 which are exactly divisible by 3 are arranged in an ascending order. The number at 6 th position is (A) 18 (B) 24 (C) 33 (D) 36

Description : The odd numbers from 1 to 45 which are exactly divisible by 3 are arranged in an ascending order. The number at 6 th position is (A) 18 (B) 24 (C) 33 (D) 36

Last Answer : Answer: C

A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Description : A soil mass coated with a thin layer of paraffin weighs 460 g. When immersed, it displaces 299 cc of water. The weight of paraffin is 10 g. If specific gravity of solids is 2.5 and that of paraffin 0.9, the void ratio of soil, is (A) 0.55 (B) 0.60 (C) 0.65 (D) 0.70

Last Answer : Answer: Option B

On Indian Railways standard length of rails for Meter Gauge track, is A. 33 ft (10.06 m) B. 36 ft (10.97 m) C. 39 ft (11.89 m) D. 42 ft (12.8 m)

Description : On Indian Railways standard length of rails for Meter Gauge track, is A. 33 ft (10.06 m) B. 36 ft (10.97 m) C. 39 ft (11.89 m) D. 42 ft (12.8 m)

Last Answer : C [39 ft (11.89 m)]

On Indian Railways standard length of rails for Broad Gauge track, is A. 33 ft (10.06 m) B. 36 ft (10.97 m) C. 39 ft (11.89 m) D. 42 ft (12.8 m)

Description : On Indian Railways standard length of rails for Broad Gauge track, is A. 33 ft (10.06 m) B. 36 ft (10.97 m) C. 39 ft (11.89 m) D. 42 ft (12.8 m)

Last Answer : D [42 ft (12.8 m)] Explanation: Indian Railways is divided into 18 zones. Recently added South Coast Railway zones in Indian Railway (2019).

Box A contains wheat worth Rs.30 per kg and box B contains wheat worth Rs.40 per kg.If both A and B are mixed in the the ratio 4:7 then the price of mixture per kg is A)36.36 B)35.80 C)42.50 D)31.30

Description : Box A contains wheat worth Rs.30 per kg and box B contains wheat worth Rs.40 per kg.If both A and B are mixed in the the ratio 4:7 then the price of mixture per kg is A)36.36 B)35.80 C)42.50 D)31.30

Last Answer : A)36.36

One writes all numbers from 50 to 99 without the digits 2 and 7. How many numbers have been written? (A) 32 (B) 36 (C) 40 (D) 38

Description : One writes all numbers from 50 to 99 without the digits 2 and 7. How many numbers have been written? (A) 32 (B) 36 (C) 40 (D) 38

Last Answer : Answer: A

The mean of four numbers a, b, c, d is 100. If c = 70, then the mean of the remaining numbers is (A) 30 (B) 85/2 (C) 170/3 (D) 110

Description : The mean of four numbers a, b, c, d is 100. If c = 70, then the mean of the remaining numbers is (A) 30 (B) 85/2 (C) 170/3 (D) 110

Last Answer : Answer: D 

The average of four consecutive even numbers is 27. The largest of these numbers is: (A) 36 (B) 32 (C) 30 (D) 28

Description : The average of four consecutive even numbers is 27. The largest of these numbers is: (A) 36 (B) 32 (C) 30 (D) 28 

Last Answer : Answer: C Four consecutive even number = x, x+2,x+4,x+6. According to question, x+x+2x+4x+6/4=27. 4x+12/4 = 27 4x =108 - 12=96. x=96/4=24. Hence , The largest number =x+4= 24+6=30. The numbers are 24, 26 28, and 30 , which addition is 108 which average is 27, So biggest is 30

Four pipes can fill a reservoir in 15, 20, 30 and 60 hours respectively. The first one was opened at 6 AM, second at 7 AM, thir da t 8 AM and the fourth at 9 AM. When will the reservoir be filled ? (A) 11 AM (B) 12 Noon (C) 1 PM (D) 1:30 PM

Description : Four pipes can fill a reservoir in 15, 20, 30 and 60 hours respectively. The first one was opened at 6 AM, second at 7 AM, thir da t 8 AM and the fourth at 9 AM. When will the reservoir be filled ? (A) 11 AM (B) 12 Noon (C) 1 PM (D) 1:30 PM

Last Answer : Answer: C

Insert the missing number in the following: 3, 8, 18, 23, 33, ?, 48 (A) 37 (B) 40 (C) 38 (D) 45

Description : Insert the missing number in the following: 3, 8, 18, 23, 33, ?, 48 (A) 37 (B) 40 (C) 38 (D) 45

Last Answer : Answer: C The Difference between 2 number in series is 5 then 10, 5 then 10. Therefore after 33 + 5 = 38.

In the sequence of numbers 8, 24, 12, X, 18, 54 the missing number X is : (A) 26 (B) 24 (C) 36 (D) 32

Description : In the sequence of numbers 8, 24, 12, X, 18, 54 the missing number X is : (A) 26 (B) 24 (C) 36 (D) 32

Last Answer : Answer: C In the sequence of numbers 8, 24, 12, X, 18, 54 8*3= 24, 12*3= 36, 18*3= 54, i.e multiple of 3.

What is the average profit earned for the given years? A. 50 2/3 B. 55 5/6 C. 60 1/6 D. 33 5/3

Description : What is the average profit earned for the given years? A. 50 2/3 B. 55 5/6 C. 60 1/6 D. 33 5/3

Last Answer : B. 55 5/6

The sum of the ages of two persons A and B is 50. 5 years ago, the ratio of their ages was 5/3. The present age of A and B are (A) 30, 20 (B) 35, 15 (C) 38, 12 (D) 40, 10

Description : The sum of the ages of two persons A and B is 50. 5 years ago, the ratio of their ages was 5/3. The present age of A and B are (A) 30, 20 (B) 35, 15 (C) 38, 12 (D) 40, 10

Last Answer : Answer: A

Supercritical is ___% efficient than subcritical boiler. a. 42-47 b. 50-55 c. 32-38 d. More than 60

Description : Supercritical is ___% efficient than subcritical boiler. a. 42-47 b. 50-55 c. 32-38 d. More than 60

Last Answer : a. 42-47

On what dates of April 1994 did SUNDAYfall? (A) 2,9,16,23,30 (B) 3,10,17,24 (C) 4,11,18,25 (D) 1,8,15,22,29

Description : On what dates of April 1994 did SUNDAYfall? (A) 2,9,16,23,30 (B) 3,10,17,24 (C) 4,11,18,25 (D) 1,8,15,22,29

Last Answer : Answer: B Solution:. Let us find the day on 1st April, 1994. 2000 years have 0 odd day. We have to calculate day on 1st April, 1994. 2000-1994 = 6 Years. 1996 is leap year and have 4 odd days Ordinary years ... was Friday Thus, on 3 rd , 10 th , 17 th , 24 th will be Sunday fall on April 1994.

The Gross Enrolment Ratio (GER) in institutions of higher education in India at present (2015) is about: (A) 23 percent (B) 8 percent (C) 12 percent (D) 19 percent

Description : The Gross Enrolment Ratio (GER) in institutions of higher education in India at present (2015) is about: (A) 23 percent (B) 8 percent (C) 12 percent (D) 19 percent

Last Answer : (D) 19 percent

Percentage content of silica in window glass, is (A) 40 to 45 (B) 50 to 55 (C) 60 to 65 (D) 70 to 75

Description : Percentage content of silica in window glass, is (A) 40 to 45 (B) 50 to 55 (C) 60 to 65 (D) 70 to 75

Last Answer : Answer: Option D

In practice, the compression ratio of compression-ignition (CI) engine ranges from (A) 15 to 25 (B) 5 to 10 (C) 40 to 55 (D) 60 to 70

Description : In practice, the compression ratio of compression-ignition (CI) engine ranges from (A) 15 to 25 (B) 5 to 10 (C) 40 to 55 (D) 60 to 70

Last Answer : Option A

The stoichiometric air fuel ration for petrol is 15:1 . What is the air fuel ratio required for maximum power? (a) 16:1 – 18:1 (b) 15:1 (c) 12:1 – 14:1 (d) 9:1 – 11:1

Description : The stoichiometric air fuel ration for petrol is 15:1 . What is the air fuel ratio required for maximum power? (a) 16:1 – 18:1 (b) 15:1 (c) 12:1 – 14:1 (d) 9:1 – 11:1

Last Answer : Ans :c

A two digit number is such that the sum of the digits is 11.When the number with the same digits is reversed is subtracted from this number, the difference is 9.What is the number? 1. 23 2. 24 3. 65 4. 14 5. 32

Description : A two digit number is such that the sum of the digits is 11.When the number with the same digits is reversed is  subtracted from this number, the difference is 9.What is the number? 1. 23 2. 24 3. 65 4. 14 5. 32

Last Answer : Answer- 3(65) Explanation:- let the number be written as xy x-ten’s place y units place x+y=11…………………1 (10x+y)-(10y+x)=9 10x+y-10y-x=9 9x-9y=9 x-y=1………………….2 Add (1) & (2) 2x=12 x=6 y=5 the number is 65

The normal concentration of vitamin A in blood in I.V/dl: (A) 20–55 (B) 24–60 (C) 30–65 (D) 35–70

Description : The normal concentration of vitamin A in blood in I.V/dl: (A) 20–55 (B) 24–60 (C) 30–65 (D) 35–70

Last Answer : Answer : B

Determine Contribution if Sales is Rs 1,50,000 and P/V ratio is 40%. A. Rs 60,000 B. Rs 70,000 C. Rs 30,000 D. None of the above

Description : Determine Contribution if Sales is Rs 1,50,000 and P/V ratio is 40%. A. Rs 60,000 B. Rs 70,000 C. Rs 30,000 D. None of the above

Last Answer : A. Rs 60,000

Given the following data pairs (x, y), find the regression equation. (1, 1.24), (2, 5.23), (3, 7.24), (4, 7.60), (5, 9.97), (6, 14.31), (7, 13.99), (8, 14.88), (9, 18.04), (10, 20.70) a. y = 0.490 x - 0.053 b. y = 2.04 x c. y = 1.98 x + 0.436 d. y = 0.49 x

Description : Given the following data pairs (x, y), find the regression equation. (1, 1.24), (2, 5.23), (3, 7.24), (4, 7.60), (5, 9.97), (6, 14.31), (7, 13.99), (8, 14.88), (9, 18.04), (10, 20.70) a. y = 0.490 x - 0.053 b. y = 2.04 x c. y = 1.98 x + 0.436 d. y = 0.49 x

Last Answer : c. y = 1.98 x + 0.436

The average age of 160 boys in a class is 58 yrs. The average group of 30 boys in the class is 42 yrs and the average of another group of 50 boys in the class is 36 years. What is the average age of the remaining boys? A) 72.58 B) 74.25 C) 77.75 D) 75.68

Description : The average age of 160 boys in a class is 58 yrs. The average group of 30 boys in the class is 42 yrs and the average of another group of 50 boys in the class is 36 years. What is the average age of the remaining boys? A) 72.58 B) 74.25 C) 77.75 D) 75.68 

Last Answer : C) Total age of 160 boys = 160* 58= 9280 total age of 30 boys = 30 * 42= 1260 total age of next 50boys = 50 * 36= 1800 average of the remaining boys = [(9280-{1260+1800})/[160 - (30 + 50)] =>9280-3060/80 =>6220/80 =77.75yrs

Calculate logarithmic decrement if damping factor is 0.33. A 1.36 B 3.23 C 5.16D 2.19

Description : Calculate logarithmic decrement if damping factor is 0.33. A 1.36 B 3.23 C 5.16D 2.19

Last Answer : D 2.19

Calculate logarithmic decrement if damping factor is 0.33. D ( A ) 1.36 ( B ) 3.23 ( C ) 5.16 ( D ) 2.19

Description : Calculate logarithmic decrement if damping factor is 0.33. D ( A ) 1.36 ( B ) 3.23 ( C ) 5.16 ( D ) 2.19

Last Answer : D ) 2.19

Calculate logarithmic decrement if damping factor is 0.33. a. 1.36 b. 3.23 c. 5.16 d. 2.19

Description : Calculate logarithmic decrement if damping factor is 0.33. a. 1.36 b. 3.23 c. 5.16 d. 2.19

Last Answer : d. 2.19

5, 8, 12, 18, 24, 30, 36, 42, ____ a) 52 b) 46 c) 48 d) 54 e) 56

Description : 5, 8, 12, 18, 24, 30, 36, 42, ____ a) 52 b) 46 c) 48 d) 54 e) 56

Last Answer : Each term in the series is the addition of successive prime numbers. Like Prime numbers are2, 3, 5, 7, 11, 13, 17, 19, 23, 29 and so on. So first term is addition of (2 + 3). Ie 5, then second term is (3 + 5) ie ... +17)ie. 30, then (17+19)ie.36, then (19+23)ie., 42, then (23+29)i.e. 52. Answer: a)

The average age of 30 boys of a class is equal to 14 years. When the age of the class teacher is included the average becomes 15 years. Find the age of the class teacher? A.50 B.44 C.45 D.42 E.None of these

Description : The average age of 30 boys of a class is equal to 14 years. When the age of the class teacher is included the average becomes 15 years. Find the age of the class teacher? A.50 B.44 C.45 D.42 E.None of these

Last Answer : Answer – C (45) Explanation – Total ages of 30 boys = 14 x 30 = 420 years Total age when class teacher is included = 15 x 31 = 465 years Age of class teacher = 465 – 420 = 45 years

Ali buys a glass, a pencil box and a cup and pays Rs. 21 to the shopkeeper. Rakesh buys a cup, two pencil boxes and a glass and pays Rs. 28 to the shopkeeper. Preeti buys two glasses, a cup and two pencil boxes and pays Rs. 35 to the shopkeeper. The cost of 10 cups will be (A) Rs. 40 (B) Rs. 60 (C) Rs. 80 (D) Rs. 70

Description : Ali buys a glass, a pencil box and a cup and pays Rs. 21 to the shopkeeper. Rakesh buys a cup, two pencil boxes and a glass and pays Rs. 28 to the shopkeeper. Preeti buys two glasses, a cup and two pencil boxes and pays Rs ... The cost of 10 cups will be (A) Rs. 40 (B) Rs. 60 (C) Rs. 80 (D) Rs. 70 

Last Answer : Answer: D

The mean marks obtained by a class of 40 students is 65. The mean marks of half of the students is found to be 45. The mean marks of the remaining students is (A) 85 (B) 60 (C) 70 (D) 65

Description : The mean marks obtained by a class of 40 students is 65. The mean marks of half of the students is found to be 45. The mean marks of the remaining students is (A) 85 (B) 60 (C) 70 (D) 65

Last Answer : Answer: A

Assume postal rates for 'light letters' are: $0.25 up to 10 grams; $0.35 up to 50 grams; $0.45 up to 75 grams; $0.55 up to 100 grams. Which test inputs (in grams) would be selected using boundary value analysis? A. 0, 9,19, 49, 50, 74, 75, 99,100 B. 10, 50, 75,100, 250, 1000 C. 0, 1,10,11, 50, 51, 75, 76,100,101 D. 25, 26, 35, 36, 45, 46, 55, 56

Description : Assume postal rates for 'light letters' are: $0.25 up to 10 grams; $0.35 up to 50 grams; $0.45 up to 75 grams; $0.55 up to 100 grams. Which test inputs (in grams) would be selected using boundary value analysis? A. 0, 9,19, ... C. 0, 1,10,11, 50, 51, 75, 76,100,101 D. 25, 26, 35, 36, 45, 46, 55, 56

Last Answer : C. 0, 1,10,11, 50, 51, 75, 76,100,101

Two railway tickets from city A and B and three tickets from city A to C cost Rs.177. Three tickets from city A to B and two tickets from city A to C city Rs.173. The fare for city B from city A will be Rs. (A) 25 (B) 27 (C) 30 (D) 33

Description : Two railway tickets from city A and B and three tickets from city A to C cost Rs.177. Three tickets from city A to B and two tickets from city A to C city Rs.173. The fare for city B from city A will be Rs. (A) 25 (B) 27 (C) 30 (D) 33

Last Answer : Answer: D

At what time between 3 and 4 O’clock will the hands of a watch point in opposite directions? (A) 40 minutes past three (B) 45 minutes past three (C) 50 minutes past three (D) 55 minutes past three

Description : At what time between 3 and 4 O’clock will the hands of a watch point in opposite directions? (A) 40 minutes past three (B) 45 minutes past three (C) 50 minutes past three (D) 55 minutes past three

Last Answer : Answer: C Require time of a watch point in opposite directions between 3 and 4 O'clock will the hands is = 50 minutes past three

Insert the missing number: 16/32, 15 /33, 17/31, 14/34, ? (A) 19/35 (B) 19/30 (C) 18/35 (D) 18/30

Description : Insert the missing number: 16/32, 15 /33, 17/31, 14/34, ? (A) 19/35 (B) 19/30 (C) 18/35 (D) 18/30

Last Answer : Answer: D 16/32 then 15/33 means -1/+1, 17/31 means +2/-2, 14/34 means -3/+3 next +4/-4 i.e 18/30

What will be the output? numberGames = {} numberGames[(1,2,4)] = 8 numberGames[(4,2,1)] = 10 numberGames[(1,2)] = 12 sum = 0 for k in numberGames: sum += numberGames[k] print len(numberGames) + sum Page No 36 a) 30 b) 24 c) 33 d) 12

Description : What will be the output? numberGames = {} numberGames[(1,2,4)] = 8 numberGames[(4,2,1)] = 10 numberGames[(1,2)] = 12 sum = 0 for k in numberGames: sum += numberGames[k] print len(numberGames) + sum Page No 36 a) 30 b) 24 c) 33 d) 12

Last Answer : a) 30

Resorce requirement in project becomes constant while the project is in its _____ progress stage. (A) 40 to 55% (B) 55 to 70% (C) 70 to 80% (D) 80 to 95%

Description : Resorce requirement in project becomes constant while the project is in its _____ progress stage. (A) 40 to 55% (B) 55 to 70% (C) 70 to 80% (D) 80 to 95%

Last Answer : (D) 80 to 95%

Resorce requirement in project becomes constant while the project is in its progress stage. (A) 40 to 55% (B) 55 to 70% (C) 70 to 80% (D) 80 to 95%

Description : Resorce requirement in project becomes constant while the  project is in its progress stage. (A) 40 to 55% (B) 55 to 70% (C) 70 to 80% (D) 80 to 95%

Last Answer : (D) 80 to 95%

Resource requirement in project becomes constant while the project is in its progress stage. A. 40 to 55% B. 55 to 70% C. 70 to 80% D. 80 to 95%

Description : Resource requirement in project becomes constant while the project is in its progress stage. A. 40 to 55% B. 55 to 70% C. 70 to 80% D. 80 to 95%

Last Answer : D. 80 to 95%

There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be – 3.5. Find the mean of the given numbers. -Maths 9th

Description : There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be – 3.5. Find the mean of the given numbers. -Maths 9th

Last Answer : Let x be the mean of 50 numbers. ∴ sum of 50 numbers = 50x Since each number is subtracted from 53. According to question, we have 53 × 50 - 50x / 50 = - 3.5 ⇒ 2650 - 50x = -175 ⇒ 50x = 2825 ⇒ x = 2825 / 50 = 56.5

There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be – 3.5. Find the mean of the given numbers. -Maths 9th

Description : There are 50 numbers. Each number is subtracted from 53 and the mean of the numbers so obtained is found to be – 3.5. Find the mean of the given numbers. -Maths 9th

Last Answer : Let x be the mean of 50 numbers. ∴ sum of 50 numbers = 50x Since each number is subtracted from 53. According to question, we have 53 × 50 - 50x / 50 = - 3.5 ⇒ 2650 - 50x = -175 ⇒ 50x = 2825 ⇒ x = 2825 / 50 = 56.5

There are 50 numbers. Each number is subtracted from 53 and the mean of the number so obtained is found to be – 3.5. -Maths 9th

Description : There are 50 numbers. Each number is subtracted from 53 and the mean of the number so obtained is found to be – 3.5. -Maths 9th

Last Answer : NEED ANSWER

There are 50 numbers. Each number is subtracted from 53 and the mean of the number so obtained is found to be – 3.5. -Maths 9th

Description : There are 50 numbers. Each number is subtracted from 53 and the mean of the number so obtained is found to be – 3.5. -Maths 9th

Last Answer : Find the mean of the given number is

An Aided school has only three classes which contain 70, 36 and 40students respectively. The pass percentage of these classes are30,25 and 20 respectively. The pass percentage of the aided school is A) 23 % B) 15% C) 26 % D) 30%

Description : An Aided school has only three classes which contain 70, 36 and 40students respectively. The pass percentage of these classes are30,25 and 20 respectively. The pass percentage of the aided school is A) 23 % B) 15% C) 26 % D) 30% 

Last Answer : C) Total number of students passed in class1 = 30/100 *70 = 21 Total number of students passed in class 2= 25/100 *36 = 9 Total number of students passed in class 3= 20/100 *40 = 8 Total number of students passed in the school = 38 Thus, pass percentage of the school = 38 /146*100 = 26 %