Ratio and Proportion Questions For competitive exams:-
Ratio and Proportion Questions and Answers Aptitude Problems:-
1. If (a + b) : (b + c) : (c + a) = 7 : 6 : 5 and a + b + c = 27, then what will be the value of 1/a : 1/b : 1/c ?
(A) 4 : 3 : 6
(B) 3 : 4 : 2
(C) 3 : 2 : 4
(D) 3 : 6 : 4
... Answer is (A)2. Two numbers are in the ratio 3:5. If 13 is subtracted from each, the new numbers are in the ratio 10:21. If 15 is added to each of the original numbers, then the ratio becomes ?
(A) 23 : 33
(B) 24 : 35
(C) 4 : 5
(D) 5 : 7
... Answer is (B)3. What is the ratio of the third proportional to 0.4 and 0.8, to the mean proportional between 13.5 and 0.24 ?
(A) 7:8
(B) 9:10
(C) 8:9
(D) 5:4
... Answer is (C)4. When ticket prices to a water park are increased in the ratio 11:12 then the number of daily visitors to the park fall in the ratio 8 : 7. If the daily revenues before the increase in ticket price was Rs.176,000, then find the daily revenues after increase in ticket price. ?
(A) 264000
(B) 112000
(C) 192000
(D) 168000
... Answer is (D)5. What number should be added to each of the number 103, 135, 110 and 144 so that the resulting numbers are in proportion ?
(A) 12
(B) 15
(C) 9
(D) 6
... Answer is (C)6. A purse has Rs.34.5 in the form of 1-rupee, 50-paise and 10-paise coins in the ratio of 6 : 9 : 10. Find the number of 10-paise coins ?
(A) 10
(B) 30
(C) 20
(D) 40
... Answer is (B)7. Find the third proportional to 10 and 25 ?
(A) 2.5
(B) 62.5
(C) 40
(D) 60
... Answer is (B)8. If 6A = 4 B = 9C; find A : B : C ?
(A) 6 : 4 : 9
(B) 6 : 9 : 4
(C) 4 : 9 : 6
(D) 9 : 6 : 4
... Answer is (B)9. Find two numbers such that their mean proportional is 18 and the third proportional to them is 144. ?
(A) 6 and 12
(B) 6 and 42
(C) 9 and 36
(D) 3 and 18
... Answer is (C)10. Rizwan has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5 : 4. After he lost 5 red marbles the ratio became 10 : 9. How many marbles does he have now ?
(A) 81
(B) 86
(C) 76
(D) 60
... Answer is (C)11. If Rs.25,000 is to be divided between A, B and C in the ratio 1/10 : 1/61 : 1/15, then how much will C get (in Rs.) ?
(A) 5000
(B) 7500
(C) 6000
(D) 5500
... Answer is (A)12. According to the will the wealth of Rs.21,25,000 was to be divided between the son and the daughter in the ratio 7/6 : 5/3. How much did the son get (in Rs.) ?
(A) 11,25,000
(B) 10,00,000
(C) 12,50,000
(D) 875000
... Answer is (D)13. The ratio of present ages of Etika and Seema is 5 : 4. After 9 years the ratio of their ages will be 8 : 7. What is Simi’s present age (in years) ?
(A) 12
(B) 15
(C) 25
(D) 36
... Answer is (B)14. Etika’s test marks in two subjects, English and Hindi are in the ratio 7 : 11. If he got 20 marks more in Hindi than in English, what are his marks in English ?
(A) 35
(B) 25
(C) 15
(D) 55
... Answer is (A)15. The ratio of ages of the father and mother was 11 : 10 when their son was born. The ratio of ages of the father and mother will be 19 : 18 when the son will be twice his present age. What is the ratio of present ages of father and mother ?
(A) 14 : 13
(B) 17 : 16
(C) 15 : 14
(D) 18 : 17
... Answer is (C)16. If 3A = 6B = 9C; What is A : B : C ?
(A) 6 : 3 : 1
(B) 6 : 3 : 2
(C) 9 : 3 : 6
(D) 9 : 3 : 1
... Answer is (B)17. If 6A = 4B = 9C; What is A : B : C ?
(A) 6 : 4 : 9
(B) 9 : 4 : 6
(C) 4 : 9 : 6
(D) 6 : 9 : 4
... Answer is (D)18. What is the fourth proportional to 6, 24 and 83 ?
(A) 246
(B) 332
(C) 165
(D) 178
... Answer is (B)19. If Rs.7,800 is to be divided between A, B and C in the ratio ½ : 1/3 : ¼, then how much share will B get (in Rs.) ?
(A) 3600
(B) 1800
(C) 2400
(D) 1200
... Answer is (C)20. The ratio of present ages of Rahul and his sister is 3 : 4. Before 10 years the ratio of their ages was 13 : 19. What is Rahul’s present age (in years) ?
(A) 36
(B) 48
(C) 42
(D) 54
... Answer is (A)
0 Comments
If you have any doubts, Please let me know