S. K. Gupta Anubhuti Gangal Class 5 Math Thirteenth Chapter Topics In Commercial Arithmetic Exercise 48

S. K. Gupta Anubhuti Gangal Class 5 Math Thirteenth Chapter Topics In Commercial Arithmetic Exercise 48

EXERCISE 48

(1) At a school, 40% of the children come on foot to the school. There are 600 boys in the school. How many students come on foot to the school?

(2) At an election of the school council, Sunil got 60% votes. 200 boys cast their votes in all. How many votes did Sunil get?

(3) During the summer vacation, Vikram worked in a factory and earned Rs 350. He saved 70% of the money. How much did he save?

(4) The marked price of a watch is Rs 400. What is the sale price if a discount of 15% is allowed?

(5) In a class, 90% of the boys passed the examination. How many per cent failed? If there are 60 boys in the class, how many passed?

(6) There are 36 children in a class. 75% of them are boys. How many are boys? How many are girls?

(7) Nargis received these marks in an examination. Can you tell at a glance in which subject she did best? Change the marks into percentages and find the subject she did best.

Solution: No, I can’t tell at glance in which subject Nargis did best.

Nargis got marks,

In science Nargis did best.

(8) A jet had passengers up to 90% of its capacity. How many passengers was the jet carrying if its capacity was 130 passengers?

(9) In the set of numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12;

(a) What per cent of the numbers are even numbers?

(10) A school planted 1000 trees on 15 August. Fifteen per cent were walnut trees. How many walnut trees were planted?