NCERT Exemplar Solutions
Class 7 - Mathematics - Unit 1: Number System - Multiple Choice Questions
Question 2

Question. 2

By observing the number line (Fig. 1.2), state which of the following statements is not true.

(a)

B is greater than –10

(b)

A is greater than 0

(c)

B is greater than A

(d)

B is smaller than 0

Step 1: Rule of the number line

Points to the right are bigger.

Points to the left are smaller.

Step 2: Compare B and A

In the figure, B is to the left of A.

(B < A)

So the sentence “B is greater than A” is wrong.

Step 3: Check the other statements quickly

(a) B is greater than –10: B is to the right of –10, so

(B > -10)

This is true.

(b) A is greater than 0: A is to the right of 0, so

(A > 0)

This is true.

(d) B is smaller than 0: B is to the left of 0, so

(B < 0)

This is true.

Conclusion: The only false statement is “B is greater than A”.

( ext{Answer: option (c)})