Two whole numbers whose sum is 64, cannot be in the ratio :
Two whole numbers whose sum is 64, cannot be in the ratio : Correct Answer 3 : 4
The sum of their ratios must be a divisor of 64 i.e 1,2,4,8,12,16, 32 and 64. But, 3 + 4 = 7 which is not one of the divisors. So, the two numbers cannot be in this ratio 3:4.