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P : +91-7676564400 Disclaimer The questions posted on the site are solely user generated, Doubtnut has no ownership or control over the nature and content of those questions. Doubtnut is not responsible for any discrepancies concerning the duplicity of content over those questions. Multiple Choice Questions1. The time, in which Rs.2,000 will amount to Rs. 2,420 at 10% per annum compound interest, when the interest is compounded annually is,
B. 2 years Shortcut Method: Detailed Method: 207 Views 2.At what per cent per annum of compound interest, compounded annually, will a sum of money become 16 times of itself in 4 years?400%200%125%125%D. 125% Let the principal be Rs. 100 178 Views 3. Find the amount which Shyam will get on ₹ 4096, if he gave it for 18 months at , interest being compounded half yearly.
C. ₹ 4913 Here, P = ₹ 4096, R = =T = 18 months = Now, money received to Shyam 299 Views 4. A sum amounts to Rs. 2,916 in 2 years and to Rs. 3,149.28 in 3 years at same rate of compound interest. The sum is
A. Rs. 2500 Interest = 3,149.28 - 2,916 = 233.28 Now, 303 Views 5. The compound interest on ₹ 1800 at 10% per annum for a certain period of time is ₹ 378. Find the time (in yr).
D. 2.5 P = ₹ 1800, R
= 10%, and CI = ₹ 378, Time(t) = n. n = 2 yr 1153 Views 6. There is 75% increase in an amount in 5 years at simple interest. What will be the compound interest of ₹ 40,000/- after 2 years at the same rate?
C. ₹ 12,900/- Rate of interest = C.I. = A - P 7. The difference between compound and simple interests on Rs. 5,000 for two years at the same rate is Rs. 72. The rate of interest per annum is
B. 12% 206 Views 8. The difference between simple and compound interest (compounded annually) on a sum of money for 3 years at 10% per annum is Rs. 93. The sum (in Rs.) is
395 Views 9. A sum of ₹ 1,200/- is lent to be paid back in 5 equal annual instalments of ₹ 264 each. The rate of interest per annum is
C. 2% Total
interest = 264 x 5 - 1200 = 1320 - 1200 = ₹120/- Let the rate of interest = r% 291 Views 10. Rs. 3903 is to be divided between A and B so that A's share at the end of 7 years may be equal to B's share at the end of 9 years, at 4% per annum compound interest. The present share of B is
C. Rs. 1,875 Let B's present share = Rs.
x. 180 Views At what rate per cent compound interest does a sum of money become 16 times in 4 years?At what per cent per annum of compound interest, compounded annually, will a sum of money become 16 times of itself in 4 years? 400%
How many years will a sum of money become sixteen times itself at 30% pa simple interest?In how many years will a sum of money become sixteen times itself at 30% p.a. simple interest? Hence, In 50 years, the given principal will become 16 times of itself.
At what rate pa sum of money becomes 4 times of itself in 15 years?Detailed Solution. ∴ The rate of interest is 20%. ∴ The rate of interest is 20%.
At what r% pa will a sum of money amount to four times of itself in 2 years if compounded annually?∴ The rate of interest is 100%.
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