Question:By how much percent is four-fifth of`70` lesser than five-seventh of`112 ?` 

A `42%` 
B `30%` 
C `24%` 
D `36%` 

+ Answer
B 

+ Explanation
`4/5 xx 70`

`= 56 & 5/7 xx 112`

`= 80`

Decrease over`80 = (80 - 56)`

`= 24`

Decrease over`100 = (24/80 xx 100)%`

`= 30%`

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Irin Moni

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