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Among four books, Book 1 is twice as hea...

Among four books, Book 1 is twice as heavy as Book 2's weight. Book 4 is 60 grams more as compared to Book 2 but 60 grams less as compared to Book 1. Which book is the heaviest?

A

Book 1

B

Book 2

C

Book 3

D

Book 4

Text Solution

Verified by Experts

The correct Answer is:
A
Suppose, the weight of Book 3 is x.
The weight of Book `2 rArr 2x`
The weight of Book ` 1 rArr 2 xx2x=4x`
According to the question,
`=2x+60=4x-60`
`rArr 4x-2x=60+60`
`rArr 2x=120`
`therefore x=(120)/(2)=60`
Book `3=60`
Book `2=2x=2xx60=120`
Book `4=2x+60`
`=120+60=180`
Book `=4x=4xx60=240`
Clearly, Book 1 is the heaviest.
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