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At what rate of compound interest …

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At what rate of compound interest per annum will Rs.1250 Amount to Rs.1800 in 2 years?

Posted by Sanjana Ghanta 5 years ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 5 years ago

Here is your answer...
Given is Time = 2 years
Amount=₹1800
Principal = ₹1250
Rate = ?
The formula to calculate amount is
=A = P(1 + R/100)^T
=1800 = 1250 × (1+ R/100)²
=1800/1250 = (1+ R/100)²
=√(36/25) = 1+ R/100
=6/5 - 1 = R/100
=1/5 × 100 = R
=20 = R
Therefore, the rate is 20%.

2Thank You

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CBSE > Class 08 > Mathematics