Question

Principal=1,200 rate of interest= 15% Time= 8april to 20june​ find simple interest and amount.
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Answer 1

$si = \frac{prt}{100} = \frac{1200 \times 15 \times 73}{100 } = rs \: 13140$

We calculated the no. of days and found that 8th April to 8th May= 30 days, 8th May to 8th June= 31 days, 12 days extra to become 20th June. It comes 73 days.

A= P+ SI= ₹(1200+13140)= ₹14340

SI= ₹13140, A= ₹14340

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