Question 56

The weights of two iron balls are 3.5 kg and 7.5 kg. What is the percentage weight of the 1st ball with respect to 2nd ball.

Solution

Weight of 1st ball = 3.5 kg and weight of second ball = 7.5 kg

=> Percentage weight of the 1st ball with respect to 2nd ball

= $$\frac{3.5}{7.5} \times 100$$

= $$\frac{35}{3} \times 4 = \frac{140}{3}$$

= $$46\frac{2}{3}\%$$

=> Ans - (A)

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