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Aptitude :

Ratio and Proportion




1.
A and B together have Rs. 1210. If  of A's amount is equal to  of B's amount, how much amount does B have?

480
484
474
470




2.
If a:b = 2:3 and b:c = 4:3, then find a:b:c

8:12:9
2:3:8
2:3:9
2:3:12




3.
Find the fourth proportion to 2,3,6

12
18
9
8




4.
 If A:B = 2:3, B:C = 4:5 and C:D = 6:7, then find the value of A:B:C:D

15:24:30:35
16:24:30:35
17:24:30:35
18:24:30:35




5.
If 2 : 9 :: x : 18, then find the value of x

2
3
4
5




6.
if x:y = 1:3, then find the value of 
(7x+3y):(2x+y)

14:5
15:5
16:5
16:4




7.
The salaries of A, B and C are of ratio 2:3:5. If the increments of 15%, 10% and 20% are done to their respective salaries, then find the new ratio of their salaries.

20:33:60
21:33:60
22:33:60
23:33:60




8.
Rs. 120 are divided among A, B, C such that A's share is Rs. 20 more than B's and Rs. 20 less than C's. What is B's share

rs 10
rs 20
rs 24
rs 19




9.
In a college, the ratio of the number of boys to girls is 8 : 5. If there are 200 girls, the total number of students in the college is

420
520
620
720




10.
Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is

2:5
3:5
4:5
7:5




11.
In a mixture 60 litres, the ratio of milk and water 2 : 1. If the this ratio is to be 1 : 2, then the quanity of water to be further added is

20 liters
30 liters
50 liters
60 liters




12.
If three numbers in the ratio 3 : 2: 5 be such that the sum of their squares is 1862, the middle number will be

10
14
12
15




13.
 A dog takes 3 leaps for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is

9:4
9:5
9:7
9:1




14.
The least whole number which when subtracted from both the terms of the ratio 6 : 7 to give a ratio less than 16 : 21, is

3
4
5
6




15.
The sum of three numbers is 98. If the ratio of the first to the second is 2:3 and that of the second to the third is 5:8, then the second number is

10
20
40
30










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FreshersLive - No.1 Job site in India. Here you can find latest 2016 government as well as private job recruitment notifications for different posts vacancies in India. Get top company jobs for both fresher and experienced. Job Seekers can get useful interview tips, resume services & interview Question and answer. Practice online test free which is helpful for interview preparation. Register with us to get latest employment news/rojgar samachar notifications. Also get latest free govt and other sarkari naukri job alerts daily through E-mail.