If x,20,30 and 60 are in proportion then what is the value of x?

1 Answer

Answer :

If x,20,30 and 60 are in proportion then what is the value of x?

Related questions

Description : In what proportion must sugar at Price 4.10 per kg must be mixed with weat at Price 4.60 per kg, so that the mixture be worth Rs 4.30 a Kg ? A)3:2 B)2:3 C)5:3 D)None of these

Last Answer : A)3:2

Description : In a fruit cocktail, for every 30 ml of orange juice you need 20 ml of apple juice and 50 ml of coconut milk. What proportion of the cocktail is orange juice Give your answer as a fraction in its simplest form.?

Last Answer : 98

Description : If x is subtracted from the numbers 7, 31 and 199, then the remainders will be in continued proportion. What is the value of x? a) 5 b) 3 c) 8 d) 4 e) None of these

Last Answer : Answer: B (7-x)/(31-x)= (31-x)/(199-x) gives x=3

Description : Suppose that from given statistics, it is known that meningitis causes stiff neck 50% of the time, that the proportion of persons having meningitis is 1/50000, and that the proportion of people having stiff neck is 1/20. Then ... complain about stiff neck is: (A) 0.01% (B) 0.02% (C) 0.04% (D) 0.05%

Last Answer : Answer: B

Description : Three pipes P, Q and R can fill a tank from empty to full in 40 minutes, 15 minutes, and 30 minutes respectively. When the tank is empty, all the three pipes are opened. P, Q and R discharge chemical solutions X, Y and Z respectively. ... 5 minutes? a) 8 / 15 b) 7 / 15 c) 8 / 17 d) 6 / 13 e) 8 / 13

Last Answer : a Part of the tank filled by pipe P in 1 minute = 1 / 40 Part of the tank filled by pipe Q in 1 minute = 1 / 15 Part of the tank filled by pipe R in 1 minute = 1/ 30 Here we have to find the proportion of ... together in 5 minute = 5 1/8 = 5/ 8 Required proportion = (1/3) / ( 5/8) = 8 / 15

Description : The profit of a company (whose capital is divided into 25‚000 shares of Rs. 10 each) for the last three years are : Rs. 50‚000; Rs. 60‚000 and Rs. 40‚000. The fair return on investment is taken at 10% p.a. The value of company’s share will be– (A) Rs. 10 (B) Rs. 20 (C) Rs. 30 (D) Rs. 40

Last Answer : Answer: Rs. 20

Description : Consider a fuzzy set old as defined below Old = {(20, 0.1), (30, 0.2), (40, 0.4), (50, 0.6), (60, 0.8), (70, 1), (80, 1)} Then the alpha-cut for alpha = 0.4 for the set old will be (A) {(40, 0.4)} (B) {50, 60, ... , (30, 0.2)} (D) {(20, 0), (30, 0), (40, 1), (50, 1), (60, 1), (70, 1), (80, 1)}

Last Answer : (D) {(20, 0), (30, 0), (40, 1), (50, 1), (60, 1), (70, 1), (80, 1)}

Description : Pranesh can do a piece of job in 60 days. He works at it for 4 days and then sarvesh alone finishes the remaining work in28 days. In how much time will pranesh and sarvesh working together, finish the work? a) 35 days b) 30 days c) 25 days d) 20 days

Last Answer : D Work done by pranesh in 4 days = 1/60 *4 =1/15 Remaining work = 1-1/15 =(15 - 1)/15 =14/15 Now 14/15 work done by sarvesh in 28 days Whole work will be done by sarvesh in(28*15 /14) = 2* 15 =30 ... 's work = 1/60 + 1/30 = (1+2) /60 = 3/60 =1/20 Hence both will finish the work in 20 days

Description : P,Q, & R can complete a piece of job together in 20 days. All the 3 started working at it together and after 8 days P left. Then Q & R together completed a job in 20 more days. P alone could complete the work in. a) 60 b) 50 c) 40 d) 30

Last Answer : B Work done by P,Q & R in 8 days = 1/20 * 8 =2/5 Remaining work = (1 - 2/5) = 3/5 Now 3/5 work is done by Q & R in 20 days Whole work will be done by Q & R in(20*5/3) =100/3 days (P+Q+R ... (Q+R)'s 1 day work =1/20 - 3/100 =5-3/100 =2/100 =1/50 P alone could complete the work in 50 days..

Description : Which proportion can be used to determine the value of x?

Last Answer : 44842

Description : In serum product of Ca x p (in mg/100ml) in children is normally (A) 20 (B) 30 (C) 50 (D) 60

Last Answer : Answer : C

Description : Given that sin A=1/2 and cos B=1/√2 then the value of (A + B) is: (a)30 (b)45 (c)75 (d)60

Last Answer : (c)75

Description : When x and y are in indirect proportion and if y doubles then x becomes_______

Last Answer : When x and y are in indirect proportion and if y doubles then x becomes_______

Description : In a fruit cocktail, for every 25 ml of orange juice you need 30 ml of apple juice and 45 ml of coconut milk. What proportion of the cocktail is orange juice Give your answer as a fraction in its simplest form.?

Last Answer : 25

Description : Kirti Co’s Balance Sheet shows Fixed Asset Rs. 3,60,000. At the time of absorption calculation of Net Assets is 10% less than the market value, then market value of such fixed assets is ............ (A) Rs. 3,24,000 (B) Rs. 4,00,000 (C) Rs. 4,20,000 (D) None of these

Last Answer : (B) Rs. 4,00,000

Description : A sample of x litres from a container having a 60 litre mixture of milk and water containing milk and water in the ratio of 2 : 3 is replaced with pure milk so that the container will have milk and water in equal ... . What is the value of x? a) 6 litres b) 10 litres c) 30 litres d) None of these

Last Answer : C Another way for solving this sum is by choice The mixture of 60 litres has in it 24 litres of milk and 36 litres of water. (2 : 3 :: milk water) When you remove x litres from it, you ... have 30 litres of milk and 30 litres of water - i.e. milk and water are in equal proportion.

Description : What number must be subtracted from each of the numbers 32, 38, 17 and 20, so that the terms formed will be in proportion ?

Last Answer : What number must be subtracted from each of the numbers 32, 38, 17 and 20, so that the terms formed will be in proportion ?

Description : A milkman mixes 20 litres of water with 80 litres of milk. After selling one-fourth of this mixture, he adds water to replenish the quantity he has sold, what is the current proportion of water to milk? a) 1 : 3 b) 2 : 3 c) 3 : 4 d) 4 : 3 e) None of these

Last Answer : Milk remaining after selling 1/4 of mixture = 80 ×(1- 1/4)=60 litres =>water =100-60 = 40 litres => Required ratio = 40 : 60 =2 : 3 Answer: b)

Description : A jet of water of cross-sectional area 20 sq. cm impinges on a plate at an angle of 60? with a velocity of 10 m/sec. Neglecting the friction between the jet and plate (density of water 1000/9.81 kgm-1 sec2 per cubic meter), the ... a.15 - 20 kg b.20 - 25 kg c.5 - 10 kg d.25 - 30 kg e.10 - 15 kg

Last Answer : a. 15 - 20 kg

Description : The percentage of the calcium eliminated in feces is (A) 10–20 (B) 30–40 (C) 50–60 (D) 70–90

Last Answer : Answer : D

Description : Serum level of chromium in healthy adult is about (A) 2-5 µg/100 ml (B) 6-20 µg/100 ml (C) 30-60 µg/100 ml (D) 50-100 µg/100 ml

Last Answer : Answer : B

Description : The percent of total iron in body in hemoglobin is (A) 10–20 (B) 20–30 (C) 30–40 (D) 60–70

Last Answer : Answer : D

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

Description : The total Glucose in the body is ________ gms. (A) 10–15 (B) 20–30 (C) 40–50 (D) 60–80

Last Answer : B

Description : Octane number of petrol normally used in petrol engines is of the order of a. 20-30 b. 40-60 c. 60-70 d. 80-90

Last Answer : ANSWER d. 80-90

Description : In normal conditions, the period for sludge digestion, is A. 10 days B. 20 days C. 30 days D. 60 days

Last Answer : ANS: C

Description : The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration ... 60) the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec

Last Answer : ANS: C

Description : A reading of -50 dBm on the disturbing pair, and -80 on the disturbed pair equals _____ dB of crosstalk coupling. A. 20 B. 30 C. 60 D. 25

Last Answer : B. 30

Description : Three resistances 20 Ω, 30 Ω and 60 Ω are connected in parallel, their combined resistance is given by A. 110 Ω B. 50 Ω C. 20 Ω D. 10 Ω

Last Answer : 10 Ω

Description : Grid cables are 15 km long with a resistance of 0.20 Ω km-1, powers wasted as heat in these cables are A. 50 kW B. 60 kW C. 20 kW D. 30 kW

Last Answer : 30 kW

Description : What is the intensity of sound in normal conversation? (a) 10-20 dB (b) 30-60 dB (c) 70-90 dB (d) 120-150 dB

Last Answer : b) 30-60 dB

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

Description : The economical diesel fuels have got octane rating varying from a) 30 to 50 b) 30 to 60 c) 20 to 30 d) 25 to 30

Last Answer : b) 30 to 60

Description : Fertilizer dose recommended for a crop of Groundnut is N:P:K, respectively (a) 20-40: 50-60: 30-40 (b) 40-50: 50-60: 30-40 (c) 20-40 : 60-80: 30-50 (d) 40-50 : 60-80: 30-50

Last Answer : (a) 20-40: 50-60: 30-40

Description : Find the potential of the function V = 60cos θ/r at the point P(3, 60, 25). a) 20 b) 10 c) 30 d) 60

Last Answer : b) 10

Description : What is the potential difference between 10sinθcosφ/r 2 at A(1,30,20) and B(4,90,60)? a) 2.386 b) 3.386 c) 4.386 d) 5.386

Last Answer : c) 4.386

Description : In gram nipping is done at — DAS a. 10 to 20 b. 5 to 10 c. 30 to 40 d. 50 to 60

Last Answer : c. 30 to 40

Description : In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at A- 60 to -78°C B- 20 to -30°C C- 30 to -48°C D- 48 to -58°C

Last Answer : - 60 to -78°C

Description : The percentage of chlorine in fresh bleaching powder is roughly (A) 50 to 60 (B) 30 to 35 (C) 40 to 50 (D) 20 to 25

Last Answer : (B) 30 to 35

Description : The total domestic consumption in a city water supply, is assumed (A) 20 % (B) 30 % (C) 40 % (D) 60 %

Last Answer : (D) 60 %

Description : Two concave lenses of 60 cm focal length are cemented on either side of a convex lens of 15 cm  focal length. The focal length of the combination is  (A) 10 cm  (B) 20 cm  (C) 30 cm  (D) 40 cm 

Last Answer : (C) 30 cm 

Description : Cost of instrumentation in a modern chemical plant ranges from __________ percent of the total plant cost. (A) 5 to 10 (B) 20 to 30 (C) 40 to 50 (D) 60 to 70

Last Answer : (B) 20 to 30

Description : On concrete roads, the camber generally provided, is (A) 1 in 20 to 1 in 24 (B) 1 in 30 to 1 in 48 (C) 1 in 36 to 1 in 48 (D) 1 in 60 to 1 in 72

Last Answer : Answer: Option D

Description : Maximum distance between expansion joints in structures as per IS: 456 1978 is (A) 20 m (B) 30 m (C) 45 m (D) 60 m

Last Answer : (C) 45

Description : The diameter of the Vicat plunger is 10 mm and its length varies from (A) 20 mm to 30 mm (B) 30 mm to 40 mm (C) 40 mm to 50 mm (D) 50 mm to 60 mm

Last Answer : Answer: Option C

Description : If aggregates completely pass through a sieve of size 75 mm and are retained on a sieve of size 60 mm, the particular aggregate will be flaky if its minimum dimension is less than (A) 20.5 mm (B) 30.5 mm (C) 40.5 mm (D) 50.5 mm

Last Answer : Answer: Option C

Description : In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for (A) 20 times (B) 25 times (C) 30 times (D) 50 time

Last Answer : Answer: Option B

Description : The percentage of alumina in a good brick earth lies between (A) 5 to 10 % (B) 20 to 30 % (C) 50 to 60 % (D) 70 to 80 %

Last Answer : Answer: Option B

Description : Percentage of silica in a good brick earth lies between (A) 5 to 10 % (B) 20 to 30 % (C) 50 to 60 % (D) 70 to 80

Last Answer : Answer: Option C

Description : Standard disc Plough consists of steel disc of _ diameter a) 20 to 40 cm. c) 60 to 90 cm b) 30 to 60 cm. d) 70 to 100 cm

Last Answer :  60 to 90 cm