S.chand Class 6 Mathematics Chapter 7 Exercise 7A

 Exercise 7A

Question 1

Simplify the following expressions.

1. $24-3 \times 15+5$

2. $5-8 \div 4$ of $2-1$

3. $40+\{4 \times 2)-2$

4. $\{3 \times(7+18) \div(2+13)-4$

5.$54 \div(14-\overline{10+2}) \times 3$

6.$5+56 \div\{42 \div(1+2) \times 2\}+13$

7. $15-[\{(8+4) \times 4\} \div 12+7)$

Multiple Choice Questions (MCQs)

Tick (✔) the correct option.

8. The simplified value of $7+2$ of $6 \div 4-12 \div 6$ is

(a) 0

(b) 4

(c) 10

(d) 8

9. The value of $6-[9-\{18-(15-\overline{12-9})\}]$ is

(a) 4

(b) 5

(c) 3

(d) 1