NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.1

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.1

These NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.1 Questions and Answers are prepared by our highly skilled subject experts.

NCERT Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Exercise 2.1

Question 1.

Answer:

Question 2.

Answer:

Question 3.
In a ‘magic square the sum of the numbers in each row, in each column
and along the diagonals is the same. Is this a magic square?

Question 4.

Since, the sum of numbers in each case is the same therefore, it is a magic square.

Question 5.
Find the perimeters of (i) ΔABE (ii) the rectangle BCDE in this figure. Whose perimeter is greater?

Answer:
(i) Perimeter of ΔABE = AB + BE + AE

(ii) Perimeter of rectangle BCDE
= 2 [length + breadth]
= 2 [CD + DE]

Thus, the perimeter of ΔABE is greater.

Question 6.

Question 7.

Question 8.