Question

Convert the following into:
(a) 2 hm 3 dam into metres
(b) 8 m 56 mm into mm
(c) 3 quintals 65 kg into kg
(d) 2 1 5 Tinto
(0) 15 1730 ml into ml
(0) 12 kg 220 g into a
Convert the following:
(a) 5530 mm into m and cm
(b) 2685 ml into I and mi
(C) 565 kg into quintals and kg (d) 8760 g into kg and g
. Add the following:
(a) 68 kg 756 g and 86 kg 968 9 (b) 57 m 68 cm and 75 m 86 cm
(C) 26 km 774 m and 84 km 668 m (d) 54 1565 ml and 79 1785 ml
1. Subtract the following:
(a) 8 m 14 cm from 9 m 27 cm
(6) 20 m 41 cm from 80 m 25 cm
(c) 278 kg 457 g from 467 kg 205 9 (d) 65 1 566 mi trom 92 1 142 ml
B. An electrician bought 500 metres of wire. He sold 43 m 75 cm of​

Answer 1

Answer:

Correct option is

B

60 kg

Boat length =3m

Breadth =2m

Boat sink depth =1cm=10

−2

m

mass of man = volume of water display × density of water

=(3×2×10

−2

)m

3

×(10

3

)kg/m

3

mass of man =3×2×10 kg

⇒ mass of man =60 kg