Question

sushant read 1/3 parts of a book in one our . how much parts of the book will he read in 11/5 hours

Answer 1

Sushant reads 1/3 of a book in 1 hour.

So, the part of book which he'll read in 11/5 hours is =

1/3 ×11/5 

= 11/15 

Answer - Sushant will read 11/15 part of that book in 11/5 hours.
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Answer 2

in 1 hour Sushant read 1/3 parts of the book
in 11/5 hour Sushant read = (11/5) × (1/3)
= 11/15
he will read 11/15 part of the book in 11/5 hr