Two numbers are in the ratio 3 : 5. If 9 is subtracted from each , the new numbers are in the ratio 12 : 23. The smallest number is
27
33
49
55
30% of 140 = x% of 840, the value of x is
5
6
4
3
The ratio of 20 miles to 25 km is:
6 : 5
4 : 5
32 : 25
33 : 50
The boys and girls in a school are into ratio 9 : 5. If the number of girls are 225 then the number of boys are
415
400
405
425
The fourth proportional to 5, 8, 15 is:
18
24
19
20
The ratio between Sumit's and Prakash's ages at present is 2 : 3. Sumit is 6 years younger than Prakash. The ratio of Sumit's age to Prakash's age after 6 years will be
2 : 3
3 : 4
1 : 2
3 : 8
Find three numbers in the ratio 2 : 3 : 5, the sum of whose squares is 342.
6, 8, 9
6, 9, 15
4, 6, 10
10, 15, 25
If x : y = 2 : 3 and 2 : x = 1 : 2, the value of y is :
1/3
3/2
9
If 25 : b = 3 : 9 then the value of b is
65
75
85
95
The ratio of the father's age to son's age is 4 : 1. The product of their ages is 196. The ratio of their ages after 5 years will be
3 : 1
10 : 3
11 : 4
14 : 5
