The DAV Class 4 Maths Book Solutions and **DAV Class 4 Maths Chapter 7 Brain Teasers **Solutions of Weight offer comprehensive answers to textbook questions.

## DAV Class 4 Maths Ch 6 Brain Teasers Solutions

Question 1.

Convert the following into grams.

(i) 10 kg 7 g

Answer:

10 kg 7 g

= 10 × 1000 g + 7 g (1kg = 1000g)

= 10,000 g + 7 g

= 10007 g

(ii) 105 kg 75 g

Answer:

105 kg 75 g

= 105 × 1000 g + 75 gm

= 105000 g + 75 g

= 105075 g

(iii) 6 kg 52 g

Answer:

6 kg 52 g

= 6 ×1000 + 52 g

= 6000 g + 52 g

= 6052 g.

Question 2.

Convert the following into kilograms and grams.

(a) 12075 g

Answer:

12075 g

= 12 kg 75 gm

(b) 57613 g

Answer:

57613 g

= 57 kg 613 g

(c) 120765 g

Answer:

120765 g

= 120 kg 765 g

(d) 250330 g

Answer:

250330 g

= 250 kg 330 g

Question 3.

Add:

(a) 51 kg 520 g and 49 kg 630 g

Answer:

101 kg 150 g

(b) 31 kg 635 g and 140 kg 170 g

Answer:

171 kg 805 g

(c) 54 kg 320 g and 79 kg 520 g

Answer:

133 kg 840 g

Question 4.

Find the difference:

(a) 76 kg 540 g and 89 kg 740 g

Answer:

13 kg 200 g

(b) 8 kg 70 g and 12 kg 703 g

Answer:

4 kg 633 g

(c) 120 kg 270 g and 160 kg 320 g

Answer:

40 kg 50 g

Question 5.

Ramil bought 75 kg 846 g of wheat from the wholeseller. He also bought 16 kg 790 g soya from wholeseller. Find the total weight of wheat and soya bought by him.

Answer:

Quantity of wheat bought = 75kg 846

Quantity of soya bought = 16 790

Total weight = 92kg 636g

92 kg 636 g.

Question 6.

A fruit seller has 75 kg 840 g apples in morning. 46 kg 658 g apples are sold till after¬noon. What quantity of apples left in evening.

Answer:

Apples fruit seller had = 75kg 840g

Apples sold out =46kg 658g

Apples legt = 29kg 182g

29 kg 182 g.