Class 7 – Mathematics – Exercise 2.1 – Fractions and decimals – NCERT Exercise Solution

1. Solve:

(i) 2 – (3/5)

(ii) 4 + (7/8)

(iii) (3/5) + (2/7)

(iv) (9/11) – (4/15)

(v) (7/10) + (2/5) + (3/2)

Class 7 Ncert maths exercise 2 solution

(vi)  2 2/3 + 3 1/2

Class 7 Ncert maths exercise 2 solution

(vii) 8 1/2  – 3 5/8

Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution

2. Arrange the following in descending order:

Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution

3. In a “magic square” the sum of number in each row, in each column and along the diagonals is the same. Is this a magic square?

Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution

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

Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution


5. Find the perimeter of (i) ∆ABE (ii) the rectangle BCDE in this figure. Whose perimeter is greater?

(attach fig from NCERT Book)

Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution
Class 7 Ncert maths exercise 2 solution

6. Salil wants to put a picture in a frame. The picture is 72/5 cm wide. To fit in the frame, the picture cannot be more than 73/10 cm wide. How much should the picture be trimmed?

Class 7 exercise 2 maths ncert solution
Class 7 exercise 2 maths ncert solution

7. Ritu ate (3/5) part of an apple and the remaining apple was eaten by her brother Somu. How much part of the apple did Somu eat? Who had the larger share? By how much?

Class 7 exercise 2 maths ncert solution
Class 7 exercise 2 maths ncert solution
Class 7 exercise 2 maths ncert solution

8. Michael finished colouring a picture in  (7/12) hour. Vaibhav finished colouring the same picture in(3/4) hour. Who worked longer? By what fraction was it longer?

Class 7 exercise 2 maths ncert solution
Class 7 exercise 2 maths ncert solution
Class 7 exercise 2 maths ncert solution

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