The weight of 65 books is 13 kg.
(i) What is the weight of 80 such books?
(ii) How many such books weigh 6.4 kg?

Open in App

Solution

Weight of 65 books = 13 kg
(i) Weight of 1 book = 13 kg
65
Weight of 80 books = 80 × 13 = 1040 = 16 kg
65 65

(ii) Number of books weighing 13 kg = 65
Number of books weighing 1 kg = 65 = 5
13
Number of books weighing 6.4 kg = 6.4 × 5 = 32

Suggest Corrections

Similar questions

The weight of $65$ books is $13 k g .$
(i) What is the weight of $80$ such books?
(ii) How many such books weigh $6.4 k g$ ?

65

13

80

The weight of 80 identical books is 400 kg. What is the weight of one such book?

The weight of 80 identical books is 400 kg. The weight of one such book is ___

Join BYJU'S Learning Program