Question

Ravina reads 1/5 part of a book in one hour. How much part of the book will she read in 2 1/5 hour?

Answer 1

Answer:

1 hr------ 1/5 parts

2 1/5 hrs------ ?

2 1/5 × 1/5

11/5× 1/5

11×1/5×5

11/25

11/25 part of book she will read in 11/5 or 2 1/5 hrs

checking answer

1 hr ---1/5

1/5 hs------?

1/5× 1/5= 1/25

1hr---- 1/5

2hr---- 2/5

1/5hr----- 1/25

2 1/5= 2/5+ 1/25 = 10+1/25= 11/25

hence verified

Answer 2

2 1/5 × 1/5

=11/5 × 1/5

=11/25

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