**ML Aggarwal CBSE Solutions Class 7 Math 2nd Chapter Fractions and Decimals Exercise 2.3**

**(6) If 1 metre cloth costs Rs. 31 and 3/4, find the cost of 5 and 1/2 metres cloth.**

**(7) If the speed of a car is 105 and 1/5 km/h, find the distance covered by it in 3 and 3/5 hours.**

**(8) A car runs 16 km using 1 litre of petrol. How much distance will it cover in 2 and 3/4 litres of petrol?**

**(9) Sushant reads 1/3 part of a book in 1 hour. How much part of the book will he read in 2 and 1/5 hours?**

**Solution: **

**(10) An ornament is made of gold and copper and weighs 52 grams, If 2/13 of its part is copper, find the weight of pure gold in it.**

**(11) In a class of 40 students, 1/5 of the total number of students like to study English and 2/5 of the total number of students like to study Mathematics and the remaining like to study Science.**

**(i) How many students like to study English?**

**(ii) How many students like to study Mathematics?**

**(iii) What fraction of the total number of students like to study Science?**

**Solution: **

**(12) A rectangle sheet of paper is 12 and 1/2 cm long and 10 and 2/3 cm wide. Find its**

**(i) perimeter (ii) area**

**Solution: **

**(13) In a school, 25/54 of the students are girls and the rest are boys. If the number of boys is 2030, find the number of girls.**

**Solution: **

**(14) In an orchard, 1/5 are range trees, 3/13 are mango trees and the rest are bananna trees. If the banana trees are 148 in number, find the total number of trees in the orchard.**

**Solution: **

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