Selina Concise Class 7 Math Chapter 1 Integer Exercise 1B Solution
EXERCISE 1B
(1) Divide:
Contents
(2) Evaluate:
(3) Find the quotient in each of the following divisions:
(4) Divide:
(5) State, true or false:
(i) True
(ii) True
(iii) False
(iv) False
(6) Evaluate:
(i) 42 ÷ 7 + 4
= 6 + 4
= 10
(ii) 12 + 18 ÷ 3
= 12 + 6
= 18
(iii) 19 – 20 ÷ 4
= 19 – 5
= 14
(iv) 16 – 5 × 3 + 4
= 16 – 15 + 4
= 1 + 4
= 5
(v) 6 – 8 – (- 6) ÷ 2
= – 2 + 6 ÷ 2
= – 2 + 3
= 1
(vi) 13 – 12 ÷ 4 × 2
= 13 – 3 × 2
= 13 – 6
= 7
(vii) 16 + 8 ÷ 4 – 2 × 3
= 16 + 2 – 6
= 16 – 4
= 12
(viii) 16 ÷ 8 + 4 – 2 × 3
= 2 + 4 – 6
= 6 – 6
= 0
(ix) 16 – 8 + 4 ÷ 2 × 3
= 8 + 2 × 3
= 8 + 6
= 14
(x) (- 4) + (- 12) ÷ (- 6)
= – 4 + 2
= – 2
(xi) (- 18) + 6 ÷ 3 + 5
= – 18 + 2 + 5
= – 18 + 7
= – 11
(xii) (- 20) × (- 1) + 14 ÷ 7
= 20 + 2
= 22