Question

12. A car travels 195 km in 3 hours.
(i) How long will it take to travel 520 km?
(11) How far will it travel in 7 hours with the same speed
13. A labourer earns 1980 in 12 days.
(i) How much does he earn in 7 days?
(ii) In how many days will he earn 2640?
14. 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?​

Answer 1

Answer:

13. he earns in one day= 1980/12 = 165

he'll earn in 7 days = 165*7 = 1155

(ii) 2640/165 = 6 days

14. wt of 1 book = 13/65= 0.2kg

(i) wt of 80 books = 80*0.2 =16kg

(ii) no of books = 6.4/0.2= 32 books