# NCERT Class 7 Mathematics Model Paper 2 Questions and Answers Part 3

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23. (i) Represent on number line.

(ii) Write two rational numbers between and 3.

Ans:

(i)

(ii) Two rational number between and 3 first rational number and second rational number

24. Amina buys a book for `275 and sells it at a loss of 15%. What is the selling price of book?

Ans:

C.P = `275

Loss% =

S.P

S.P of a Book

25. Name any two letters of the English alphabet which have no line of symmetry. Draw lines of symmetry in letter D and X.

S, F have no line of symmetry

26. Write the following in descending order

(i)

(ii)

Ans:

(i)

L.C.M of 7, 7, 2, 4 = 28

Making the denominator same

Descending order

OR

(ii)

L.C.M of 5,5,3 and

Making denominator same

Descending order

Or

## Section – C

27. A bag contains 4 black socks, 6 brown socks and 2 red socks. Suppose one sock is drawn from the bag and the event of drawing a sock is equally likely. Find probability

Ans:

Total socks = 12 socks

(i) P (the socks is black

(ii) P (the sock is either black or red)

(iii)P (the sock is green) = 0

(iv)P (the sock is not green)

28.

(i) Divide by

(ii) What should be added to to obtain ?

Ans:

(i)

Quotient and remainder

(ii) Let p be added