1.

A nesklace is made of gold and sipver weighs 65 g. If it consists of 2/13 parts of copper find the weight of gold in the necklace.

Answer»

ANSWER:

GIVEN, weight of ornament = 52gm

copper = 2/13

so gold must be = 11/13

Ornament = total weight * parts of gold

52* 11/13

=44 gm

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