Ratio and Proportion Questions and Answers Aptitude Problems

Ratio and Proportion Questions and Answers for Competitive Exams

Q.61 If a = 2b, ½ b = c, and 4c = 3d, then what is the ratio of d to a?

(A) 1/3

(B) ¾

(C) 1

(D) 4/3

Q.62 A year ago a father was four times his son’s age. In 6 years, his age will be 9 more will be more than twice his son’s age. The present age of the son is…..

(A) 30 yrs.

(B) 9 yrs.

(C) 20 yrs

(D) 11 yrs

Q.63 The ratio of incomes of Vijay ad Sujith is 3 : 5 and ratio of their expenditure is 5 : 1. Who saves more?

(A) Vijay

(B) Sujith

(C) cannot be determined

(D) none of these

Q.64 The ratio of incomes of Nupur and Divya is 1: 2 and ratio of their expenditure is 2: 3. Who saves more? (You again have to assume that these girls do not take any loan from anywhere).

(A) Nupur

(B) Divya

(C) Cannot be determined

(D) None of these

Q.65 The ratio of sum of squares of first n natural numbers to square of sum of first n natural number 17: 325, the value of n is……

(A) 15

(B) 20

(C) 35

(D) None of these

Q.66 A certain distance is covered at a particular speed. If half this distance is covered in double the time the ratio of the two speeds is….

(A) 4: 1

(B) 1:4

(C) 2: 1

(D) 1: 2

Q.67 A train starts from station P at 7 am and moves at 60 kmph towards Q. At 1 pm another train starts from Q towards P at 80 kmph. When do the two trains, meet, if the distance between P and Q is 1200 km?

(A) 6 pm

(B) 7 pm

(C) 8 pm

(D) None of these

Q.68 In above problem at what distance from Q do the two trains meet?

(A) 360 km

(B) 720 km

(C) 480 km

(D) None of these

Q,69 A 150 m long train crosses a man walking at a speed of 6 kmph in the opposite direction in 6 seconds. The speed of the train (in kmph) is…….

(A)66

(B) 84

(C) 96

(D) 106

Q.70 If I can walk a certain distance in 50 days when I rest 9 hours each day, how long will it take me to walk twice as far if I walk twice as fast and rest twice as long each day?

(A) 75

(B) 100

(C) 125

(D) 150