Question

Find the time :- Rs 6540 amounts to Rs 8447.50 at 12whole 1/2 % per annum .

Answer 1

interest = 8447.5-6540=1907.5
now,
1907.5=
$6540 \times 12.5 \times x \div 100$
therefore,

$x = 2.333years$
or.
$x = 2.333 \times 12 = 28months$