Question

In 4 years ₹ 6000 amount to ₹ 8,000. In what time will ₹ 525 amount to ₹ 700 at the same rate?

Please explain in detail ​

Answer 1

Answer:

Step-by-step explanation:

In first case, Principal (P) = ₹ 6,000

Amount (A) = ₹ 8,000

∴ S.I. = A – P = ₹ 8,000 - ₹ 6,000

= ₹ 2000

Time (T) = 4 Years

∴ R = S.I. × 100/P × T = 2000 × 100/6000 × 4

= 25/3 % = 8. 1/3 % p.a.

In second case, Principal (P) = ₹525

Amount (A) = ₹ 700

∴ S.I. = A – P = ₹ 700 - ₹525

= ₹ 175

Rate (R) = (25/3)% of p.a.

∴ Time = (S.I. × 100)/ (P × R) = (Rs. 175 × 100 × 3)/(525 × 25) = 4 years

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