# NCERT Class 7 Mathematics Model Paper 1 Questions and Answers Part 3 (For CBSE, ICSE, IAS, NET, NRA 2022)

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24. Find x, if

OR

and are equivalent numbers, find k.

Ans: Equating the powers when bases are same.

Thus,

OR

25. Out of 15000 voters in a constituency 60 % voted. Find the percentage of voters who did not vote.

Find how many persons who actually did not vote?

Ans: Total voters 15000

Voted

If 60 % of voters voted, then not voted

Percentage of persons not voted

26. Divide and find the quotient.

OR

If Meena gives an interest of ₹ 45 for one year at 9 % rate p. a. What is the sum she has borrowed?

Ans:

Thus quotient

OR

S. I. = ₹ 45

T = 1 year

R = 9 %

P = ?

She borrowed

## Section - C

27. The diagram shows 2 isosceles triangles. What is the sum of a and b, if and

Ans: Let

Since,

In ,