Question:If `40%` of `40%` of x `= 40,` then x is : 

A `100` 
B `400` 
C `250` 
D `1000` 

+ Answer
C 

+ Explanation
`40/100 xx 40/100 xx x = 40 ⇒ x`

`= (40 xx 100 xx 100)/(40 xx 40)`

`= 250`

+ Report

Irin Moni

Editor, VCampus

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