Question

One day Reeta went to a jeweller's shop with her mother. Her mother gave an old gold jewellery to the goldsmith to polish. Next day when they brought the jewellery back, they found that there was a slight loss in its weight.
Can you suggest a reason for the loss in weight?
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Answer 1

Explanation:

While polishing the gold they mixed a inferior material with it which decreased the purity of the gold which is probably the reason for which there was a slight loss in it's weight.......

Answer 2

Answer:

while polishing gold would have been reduced thus she felt the weight loss

because gold is a soft metal.