Question

if 25%of 13/12 of a certain number is 520 then what is 60% of that number?

Answer 1

Let us assume that number as k
You need to multiply 13/12 to k as the question demands it, which gives us 13k/12.
Now,
25/100 x 13k/12 = 520
Thus,
25 x 13k = 520 x 12 x 100
k = 520 x 12 x 100 / 25 x 13
Thus,
k = 40 x 12 x 4
Thus,
k = 1920
Now, you know that the number you were searching for is 1920.

To Calculate 60% of 1920,

60/100 x 1920

= 6 x 192

= 1152…

Answer 2

13/5 will be the answer