5
Q:

In wallet, there are notes of the denominations Rs. 10 and Rs. 50. The total number of notes is 12. The number of  Rs. 10 and  Rs. 50 notes are in the ratio of 1 : 2. Total money in the wallet is:

 

A) ₹ 360 B) ₹ 280
C) ₹ 110 D) ₹ 440

Answer:   D) ₹ 440



Explanation:
Q:

If a : b = 2 : 5, c: b = 3 : 4, then a : b : c is equal to:

 

A) 2 : 5 : 4 B) 6 : 15 : 20
C) 2 : 5 : 3 D) 8 : 20 : 15
 
Answer & Explanation Answer: D) 8 : 20 : 15

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0 34
Q:

Two numbers are in the ratio 5 : 7. If the first number is 20, then the second number will be:

 

A) 8 B) 22
C) 28 D) 18 
 
Answer & Explanation Answer: C) 28

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0 186
Q:

If x is the mean proportional between 12.8 and 64.8 and y is the third proportional to 38.4 and 57.6, then 2x : y is equal to:

 

A) 2 : 3 B) 4 : 5
C) 3 : 4 D) 1 : 2
 
Answer & Explanation Answer: A) 2 : 3

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0 231
Q:

If x is the mean proportional between 12.8 and 64.8 and y is the third proportional to 38.4 and 57.6, then 2x : y is equal to:

 

A) 2 : 3 B) 4 : 5
C) 3 : 4 D) 1 : 2
 
Answer & Explanation Answer: A) 2 : 3

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1 377
Q:

If the radius of the circumcircle of an equilateral triangle is 8 cm, then the measure of radius of its incircle is:

 

A) 16cm B) 4cm
C) 12cm D) 8 cm
 
Answer & Explanation Answer: B) 4cm

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1 281
Q:

 A sphere of radius 6 cm is melted and recast into spheres of radius 2 cm each. How many such spheres can be made?

 

A) 25 B) 27
C) 36 D) 24
 
Answer & Explanation Answer: B) 27

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1 210
Q:

What is the ratio of the total cars sold by showroom B during the years 2014 and 2016 and the total cars sold by show room C during 2015 and 2016?

 

A) 86 : 97 B) 88 : 97
C) 85 : 97 D) 88 : 95
 
Answer & Explanation Answer: B) 88 : 97

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3 503
Q:

The efficiencies of A, B and C are in the ratio of 5 : 3 : 2. Working together, they can complete a task in 21 hours. In how many hours will B alone complete 40% of that task?

 

A) 28 B) 24
C) 35 D) 21
 
Answer & Explanation Answer: A) 28

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0 512