Question

only question15. please answer fast

Answer 1

The weight of a body depends on gravity.

Weight = Mass x Gravity

At the poles Gravity is greater compared to at the equator.

So the weight of the gold he bought at the pole must differ slightly at the equator

Answer 2

With a lower cost amits friend buys same gold

Price of x gram of gold NP = x1

" " x " " " equator = x2

x g NP >x g eq.

Thus it is profitable