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**Mathsight Class 6 Solutions Chapter 2 Playing with Numbers**

Welcome to NCTB Solutions. Here with this post we are going to help 6th class students to solve MathSight Class 6 Mathematics Book, Chapter 2, Playing with Numbers. Here students can easily get all the exercise questions solution for Chapter 2, Playing with Numbers Exercise 2.1 and 2.2

**Playing with Numbers Exercise 2.1 Solution : **

**Question no – (1)**

**Solution :**

**(a)** 7 × 7 ÷ 7 + 7 – 7

= 7 × 1 + 7 – 7

= 7 + 7 – 7

= 7

**(b)** 43 + 12 × 4 + 15 – 21

= 43 + 48 – 15 – 21

= 91 – (15 + 21)

= 91 – 36

= 55

**(c)** 168 ÷ 8 + 5 × 12 – 38

= 21 +60 – 38

= 81 – 28

= 53

**(e)** 412 – 108 + 315 ÷ 45 × 157

= 412 – 108 + 7 × 157

= 412 – 108 + 1099

= 304 + 1099

= 1403

**(f)** 196 ÷ 14 × 23 – 200 + 195

= 14 × 23 – 200 + 195

= 322 – 200 + 195

= 122 + 195

= 317

**(g)** 325 × 25 + 270 – 169 ÷ 13

= 8125 + 270 – 13

= 8125 – 257

= 7868

**(h)** 241 + 300 ÷ 25 × 17 – 218

= 241 + 12 × 17 – 218

= 241 + 204 – 218

= 227

**(i)** 16 × 2 of 4 ÷ 24 + 18 – 9

= 16 × 2 × 6 + 18 – 9

= 192 + 18 – 9

= 192 + 9

= 201

**(j)** 16 × 24 ÷ 3/7 of 28 + 15

= 16 × 57.14 × 28 + 15

= 25598.72 + 15

= 25,613.72

**(k)** 25 ÷ 5 × 7 + 6 × 30 ÷ 3 of 5

= 5 × 7 + 6 × 10 × 5

= 35 + 300

= 335

**Question no – (2)**

**Solution :**

12 – (4 × 2) + (5×6)

= 12 – 8 + 30

= 34

**Question no – (3)**

**Solution :**

= 25 ÷ 5 × 5 + 35 – 10

= 50

**Question no – (4)**

**Solution : **

**(a)** [(200 ÷ 5 ) × 10^{6}] ÷ 2

= (100 × 10^{6}) ÷ 2

= 50 × 10^{6}

**Question no – (5)**

**Solution :**

4 Sisters and 3 brothers

**Playing with Numbers Exercise 2.2 Solution : **

**Question no – (1)**

**Solution :**

**(a)** 80 – [24 – {16 ÷ (9-1)}

= 80 – [24 – {16 ÷ 8}]

= 80 – [24 – 2]

= 80 – 22

= 58

**(b)** 96 ÷ [3 {6 – (20-18)}]

= 96 ÷ [ 3 { 6 – 2}]

= 96 ÷ [3 × 4]

= 96 ÷ 12

= 7

**(c)** 120 + [14 × {20 – (20 ÷ 4)}]

= 120 + [14 × {20 – 5}]

= 120 + [ 14 × 15]

= 120 + 210

= 330

**(d)** 888 × [ 72 ÷ {65 + (14 ÷ 2}]

= 888 × [72 ÷ {65 + 7}]

= 888 × [72 ÷ 72]

= 888 × 1

= 888

**(e)** 78 – [ 5 + 3 of (25 – 2 × 10)]

= 78 – [ 8 × (25 – 20)]

= 78 – [8 × 5]

= 78 – 40

= 38

**(f)** 52 – 4 of (17 – 12) + 4 × 7

= 52 – 4 × 5 + 28

= 52 – 2 + 28

= 52 + 8

= 60

**(g)** 19 × [36 + 30 – (11 + 5 -2)]

= 19 × [96 + 30 – 11 + 3]

= 19 × [126 – 14]

= 19 × [112]

= 2128

**(h)** 1440 – [24 – {15 – (2 × 3 + 1)}]

= 1440 – [24 – {15 – (2 × 4)}]

= 1440 – [24 – {15 – 8}]

= 1440 – [24-7]

= 1440 – 17

= 1423

**(i)** 24 + 13 – 45 × 1/2 of 10 – 45 ÷ (17-2)

= 24 + 13 – 2.5 × 10 – 45 ÷ 15

= 24 + 13 – 25 – 3

= (24+13) – (25 + 3)

= 37 – 28

= 9

**(f)** 100 – [90 – {80 – (70 – 10 -50)}]

= 100 – [90 – {80 – (70-60)}]

= 100 – [90 – {80-10}]

= 100 – [90-70]

= 100 – 20

= 80

**(k)** (9+12) ÷ 7 + 36 ÷ 2 of 3

= 21 ÷ 7 + 18 × 3

= 3 + 54

= 57

**(l)** 16 + [7 + {(3+7) – 5 – 3}]

= 16 + [7 + {(10 – 2)}]

= 16 + [ 7 + 18]

= 16 + 15

= 31

**Question no – (2)**

**Solution :**

**(a)** 15, 18, 24, 36, 60,…….

= 15 = 15 × 1

= 18 = 18 × 1

= 24 = 24 × 1

**Question no – (3)**

**Solution :**

= 0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + (8 × 9)

= 100

**Previous Chapter Solution : **