Number Play Class 7 Short Question Answer

Number Play Class 7 Short Question Answer

Number Play Class 7 Short Question Answer

Question 1.

Fill the grid given below :

Solution:

Question 2.

Solve the following puzzle :

Solution:

A = 5, B = 4, C = 1.

Because,

Question 3.

Solve the puzzle :

Solution:

A = 2, B = 5.

Here, A should be 2, so that we get B = 5.

Because 1 + 2 + 3 = 6.

Question 4.

Complete the following magic square whose magic sum is 42 :

Solution:

Number at the centre will be [latex]\frac {42}{3}[/latex] = 14. Then, we can fill the square as shown.

Question 5.

Solve the puzzle :

Solution:

B must be 1. So, taking A = 9, we get 9 + 1 = 10, giving C = 0.

Thus, we get