Question

Hello please answer my this question step by step
₹6540 AMOUNTS TO ₹8447.50 AT 12. 1/2 PER ANNUM. FIND THE TIME

Answer 1

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Principal= 6540
Amount= 8447.50
Rate= 12 $\frac{1}{2}$ % per annum

SI = A-P
= Rs.(8447.50-6540)
= Rs. 1907.5

As we know
$time = \frac{100 \times si}{p \times r} \\ = \frac{100 \times 1907.5}{6540 \times 12.5} \\ = 2.33$
Time= 2.3 years

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