Question

3/4th of 1/3th of 4/5th of a number is 80. find that number

Answer 1

Let , tge number be x,
Now, 3/4 ×1/3 × 4/5x = 80.
=> 12/60x = 80.
=> x/5 = 80
=> x = 80 × 5
=> x = 400.

Hope it helps you ....
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Answer 2

let the no. be X
then 3/4 x
3/4x *1/3*4/5=180
X=400