Question

Oranges are added to balance the stones in the given weight balance. What is the weight of a stone if the weight of an orange is 2 kg?

• A. 10 kg
• B. 11 kg
• C. 12 kg
• D. 13 kg

Answer 1

The correct option is A 10 kg

Since the weighing balance is balanced the total weight on both the sides will be equal.

Weight of 2 stones + weight of 2 oranges
= weight of 1 stone + weight of 7 oranges

Weight of 2 stone - Weight of 1 stone
= Weight of 7 oranges - Weight of 2 oranges

Weight of 1 stone
= Weight of 5 oranges
= 5 $\times$ 2 kg
= 10 kg