in what time will the interest in a sum of money be 2/5 of the principle of 10% p.a.?
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Answer:
Interest = ( Principal * Rate * Time ) / 100
(3/5) * P = (P * 10 * T)/100
3/5 = T / 10
T = 30/5 = 6 years
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Step-by-step explanation:
Interest = ( Principal * Rate * Time ) / 100
(3/5) * P = (P * 10 * T)/100
3/5 = T / 10
T = 30/5 = 6 years
If Rs 100 is the principal,3/5 th of the principal amount is Rs 60. 10% simple interest is Rs 10 per the interest becomes 3/5 th of the Principal amount in 6 years.
LET THE SUM BE 100
SIMPLE INTEREST RATE — — 10% PER ANNUM 10/YEAR
AMOUNT OF INTEREST — — 60
NO OF YEARS REQUIRED = 60/10 = 6 YEARS
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