A sum lent at 7% per annum will produce as much Simple Interest in 2 years as Rs.1750, lent at 5% will produce in 4 years. Find the sum.
Let say, the sum is P.
So,
$$P×0.07×2=1750×0.05×4$$
or, $$P=(1750×10)/7$$
or,P=2500.
B is correct choice.
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