1.

A’s weight is 10 more than the B’s weight. B’s weight is 10 less than the C’s weight. C’s weight is 50 kg. Find the average weight of A and C?1. 30 kg2. 40 kg3. 50 kg4. 100 kg

Answer» Correct Answer - Option 3 : 50 kg

Given:

A’s weight = B’s weight + 10

B’s weight = C’s weight - 10

C’s weight = 50 kg

Concept:

Average weight = Total weight / Total persons

Solution:

C’s weight = 50 kg

B’s weight = (C’s weight - 10) ⇒ 50 - 10 ⇒ 40 kg

A’s weight = B’s weight + 10 ⇒ 40 + 10 ⇒ 50 kg

∴ Average weight of A and C = (50 + 50) / 2 ⇒ 100 / 2 ⇒ 50 kg


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