61.
If 60% A = $$\frac{3}{4}$$ of B, then A : B is

62.
Which of the following represents ab = 64?

63.
The ratio of boys and girls in a club is 3 : 2. Which of the following could be the actual number of members ?

64.
If m : n = 3 : 2, then (4m + 5n) : (4m - 5n) is equal to = ?

65.
The sum of two numbers is 40 and their difference is 4. The ratio of the numbers is = ?

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