If A is 1/3 of B and B is 1/2 of C, then A : B : C is:
1 : 3 : 6
2 : 3 : 6
3 : 2 : 6
3 : 1 : 2
The ratio of 20 miles to 25 km is:
6 : 5
4 : 5
32 : 25
33 : 50
The fourth proportional to 5, 8, 15 is:
18
24
19
20
If a : b = 18 : 14 then a + b : a - b =
8 : 2
8 : 3
8 : 1
8 : 5
If 0.75 : x : : 5 : 8, then x is equal to
1.12
1.20
1.25
1.30
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
If A = 7/15 , B = 15/20, C = 17/25, the smallest ratio is:
B
C
A
None of these
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
The ages of Manoj and Amit are in the ratio 2 : 3. After 12 years, their ages will be in the ratio 11 : 15. The age of Amit is :
32 years
40 years
48 years
56 years
What number should be added to each term of the ratio 7 : 13 so that the ratio becomes 2 : 3?
1
2
3
5