Monday 24 September 2012

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.



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