Question

What could the answer be?

Answer 1

Answer:

D) 6

Explanation:

At the first figure, one triangle takes 10 balls to balance the figure then 1 triangle will take the half of 10 balls that is 5 balls, And at the second figure, 2 balls are required to keep the balance between the weight of 8kg and the balls, So 4kg will take one ball to keep the balance. So then, the third figure which contains a single triangle and a weight of 4 kg will take 6 balls to keep the balance.

Thus, 5+1=6 balls.

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