Insert the missing number: 8 24 12 ? 18 54 (A) 26 (B) 24 (C) 36 (D) 32

Insert the missing number:

8 24 12 ? 18 54

(A) 26 (B) 24

(C) 36 (D) 32
by

1 Answer

Answer :

Answer: C

Explanation:

Numbers are alternatively multiplied by 3 and divided by 2.

So, the next number = 3 x 12 = 36, 36 ÷ 2 = 18
by

Related questions

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.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Description : 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50'. What number is missing? -Riddles

Last Answer : 22

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.

Insert the missing number in the following series: 4 16 8 64 ? 256 (A) 16 (B) 24 (C) 32 (D) 20

Description : Insert the missing number in the following series: 4 16 8 64 ? 256 (A) 16 (B) 24 (C) 32 (D) 20

Last Answer : Answer: A Square root of 16 is 4, Square root of 64 is 8, Therefore Square root of 256 is 16.

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

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.

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)

Insert the missing number in the following: 2/3, 4/7, ? , 11/21, 16/31 (A) 10/8 (B) 6/10 (C) 5/10 (D) 7/13

Description : Insert the missing number in the following: 2/3, 4/7, ? , 11/21, 16/31 (A) 10/8 (B) 6/10 (C) 5/10 (D) 7/13

Last Answer : Answer: D 2/3 = 2/2*2-1, 4/7 = 4/4 *2-1, 11/21 = 11/11*2-1, and 16/31 = 16/16*2-1; Therefore 7/13= 7/7*2-1.

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

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Last Answer : Answer: A

Insert the missing number: 4:17 : : 7:? (A) 48 (B) 49 (C) 50 (D) 51

Description : Insert the missing number: 4:17 : : 7:? (A) 48 (B) 49 (C) 50 (D) 51

Last Answer : Answer: C Square of 4 is 16 +1 = 17 Therefore Square of 7 is 49 +1 = 50

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

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Last Answer : Answer: C

X and Y can do a job in 24 days, Y & Z can do the same job in 36 days. X,Y,Z together can finish it in 18 days. X and Z together will do it in. a) 24 b) 36 c) 12 d) 26

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Last Answer : A (X+Y+Z) s 1 day work =1/18 (X+Y)'s 1 day work = 1/24 (Y+Z)'s 1 day work = 1/36 (X+Z)'s 1 day work = 2[X+Y+Z]'s 1 day work - [(X+Y)'s 1 day work + (Y+Z)'s 1 day work]= 2 [1/18]- (1/24 + ... /24 + 1/36) = 1/9 -1/24 - 1/36 =(8-3-2)/72 =3/72 = 1/24 So X & Z together will do the work in 24 days

Which number is missing in the following series ? 2, 5, 10, 17, 26, 37, 50, ? (A) 63 (B) 65 (C) 67 (D) 69

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Last Answer : Answer: B Observe that 2, 5, 10, 17, 26, 37, 50, ? There is difference between two number is 3, 5, 7, 9, 11, 13 So next is 50 +15=65

)If the average total cost is Rs.54, total fixed cost is Rs.45000 and quantity produced is 2500 units, find the average variable costs (in Rs.) of the firm - (1) 24 (2) 18 (3) 36 (4) 60

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If the average total cost is Rs. 54, total fixed cost is Rs. 45000 and quantity produced is 2500 units, find the average variable costs (in Rs.) of the firm : (1) 24 (2) 18 (3) 36 (4) 60

Description : If the average total cost is Rs. 54, total fixed cost is Rs. 45000 and quantity produced is 2500 units, find the average variable costs (in Rs.) of the firm : (1) 24 (2) 18 (3) 36 (4) 60

Last Answer : 36

The missing term in the series 1, 4, 27 16, ? , 36, 343, ……is (A) 30 (B) 49 (C) 125 (D) 81

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Description : P, Q and R can do a piece of work in 18,24 and 36 days on the second day and P on the third day, again R on the fourth day and so on. Then in how, many days will the work be completed? 1. 25 2. 24 3. 22 4. 20 5. 26

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A motorboat can cover 80 km upstream and 120 km downstream together in 26 hours. Also it can cover 100 km upstream and 144 km downstream together in 32 hours. What is the speed of the motorboat in still water? A) 12 km/hr B) 15km/hr C) 8.5km/hr D) 19km/hr

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