Question

If 1 kg of rice costs rs 20 find the costs of 200gm

Answer 1

Cost per kg of rice is 20

then cost for 500g = 20/2 = 10 rupees

cost of 250 g is = 10/2 = 5 rupees.

Answer 2

1 kg =1000gm

The cost of 1000 gm = 20 Rs

Cost of 1 gm = 20/1000

cost of 200 gm = 20/1000×200

= 4 Rs