7th Ch:Integers Practice Question Paper

1. Compare the following fractions by using the symbol > or < or = : 

(i) 7/9 and 8/13    (ii) 11/9 and 5/9 

2. Arrange the following fractions in ascending order: 

(i) 3/8, 5/6, 6/8, 2/4, 1/3  (ii) 4/6, 3/8, 6/12, 5/16
3. Arrange the following fractions in descending order: 

(i) 4/5, 7/10, 11/15, 17/20 (ii) 2/7, 11/35, 9/14, 13/28

4. Write five equivalent fractions of (a)3/5(b)-5/3

5. Find the sum: 
(i) 4³/₄ + 9²/₅         (ii) 5/6 +(- 3) + ¾            (iii) 2³/₅ + (-4⁷/₁₀) + 2⁴/₁₅ 

6. Find the difference of: 

(i) 13/24 and 7/16 (ii) 3³/₁₀ and 2⁷/₁₅  (iii) 9 – 5²/₃     (iv) 4³/₁₀ – 1²/₁₅
8. Simplify: 

(i) 2/3 + 1/6 – 2/9        (ii) 7⁵/₆ – 4³/₈ + 2⁷/₁₂

9. What should be added to 3¹/₂ to get 12? 

10. What should be added to 5¹/₁₅ to get 12¹/₅? 

11. Patty studies for 5²/₃ hours daily. She devotes 2⁴/₅ hours of her time for Science and Mathematics. How much time does she devote for other subjects? 


12. A piece of wire is of length 12³/₄ m. If it is cut into two pieces in such a way that the length of one piece is 5¹/₄ m. What is the length of the other piece? 


13. A rectangular sheet of paper is 12¹/₂ cm long and 10²/₃ cm wide. Find the perimeter. 


14. The cost of Mathematics book is $25³/₄ and that of Science book is $20¹/₂. Which costs more and by how much? 

15. Find the two integers whose sum is less than both the integers.