MP Board Class 7th Maths Solutions Chapter 2 Fractions and Decimals Ex 2.1

MP Board Class 7th Maths Solutions Chapter 2 Fractions and Decimals Ex 2.1

MP Board Class 7th Maths Solutions Chapter 2 Fractions and Decimals Ex 2.1

Question 1.
Solve:

Question 2.
Arrange the following in descending order:

Solution:

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?


Solution:
Sum along the first row

Since, the sum of the numbers in each row, in each column and along the diagonals is the same.
Yes, it is a magic square.

Question 4.

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

Solution:
(i) Perimeter of rectangle
∆ABE = AB + BE + EA

(ii) Perimeter of rectangle BCDE = 2(BE+DE)


Thus, perimeter of ∆ABE is greater

Question 6.

Question 7.
Ritu ate 2 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?
Solution:

Question 8.

Converting these fractions into like fractions, we obtain

MP Board Class 7th Maths Solutions