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प्रश्न
Anwesha intended to open a Recurring Deposit account of ₹ 1000 per month for 1 year in a Bank, paying a 5% per annum rate of simple interest. The bank reduced the rate to 4% per annum. How much must Anwesha deposit monthly for 1 year so that her interest remains the same?
पर्याय
₹ 12325
₹ 1250
₹ 1200
₹ 1000
MCQ
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उत्तर
₹ 1250
Explanation:
Let K be the common time-factor for the monthly deposits same in both cases.
Original interest = `1000 xx 5/100 xx K`.
New interest = `x xx 4/100 xx K`.
Equating gives `x = 1000 xx 5/4 = 1250`
So, she must deposit ₹ 1250 per month to keep the interest unchanged.
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