Question:
If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?
[A].2 : 5
3 : 7
5 : 3
7 : 3
If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
| Let 40% of A = | 2 | B |
| 3 |
| Then, | 40A | = | 2B |
| 100 | 3 |
| 2A | = | 2B | |
| 5 | 3 |
| A | = | 2 | x | 5 | = | 5 | |||
| B | 3 | 2 | 3 |
A : B = 5 : 3.