- The Simple intrest on a certain sum for 2 years at 10% per annum is Rs 90.What is the corresponding compound intrest?
Rs 91Rs 97.25Rs 90.50Rs 94.50None of theseOption D
S.I=(100*90) / (2*10)=Rs 450
C.I=450*(1+10)^2 /100 – 450 - Mani borrowed a certain sum from Akansha at a certain rate of simple intrest for 2 years.He lent this sum to Ravi at the same rate of intrest compounded annually for the same period.At end of two years,he received Rs 4200 as compound intrest but paid Rs 4000 only as simple intrest.Find the rate of intrest?
15%10%12%20%11%Option B
Let sum be Rs X.
Roi=R%=2 years
4000 = (X*R*2)/100 - What sum invested for 2 years at 12 percent compounded annually will be grown to Rs 4390.40 ?
Rs 4000Rs 3500Rs 2550Rs 2500None of theseOption B
- If difference between compound intrest and simple intrest on a sum at 5% p.a for 2 years is Rs 16.Then find the simple intrest?
Rs 560Rs 520Rs 640Rs 710Rs 700Option C
16 = P (5/100)^2
P=Rs 6400
Therefore,SI=(6400*5*2) /100 =Rs 640 - The difference between Compound intrest and simple intrest on a amount Rs 15000 for 2 years is Rs 96.What is the rate of intrest per annum?
6.50%7%8%9.25%None of theseOption C
- Mrs Shubhra finds that due to fall in rate of intrest from 9% to 6%,her yearly income diminished by Rs 267.What is her capital?
Rs 8900Rs 7500Rs 8000Rs 9000None of theseOption A
Differnece i roi=3%
Let capital be Rs X.
3% of X=Rs 267
X=Rs 8900 - Shubhra lends Rs 30000 to two of her friends.She gives Rs 15000 to the first at 6% p.a simple intrest.She wants to make a profit of 10% on the whole.The simple intrest rate at which he should lend the remainning sum of money to second friend is which of the following?
7%8%10%14%None of theseOption D
SI on 15000=(15000*6*1)/100 = Rs 900
Profit to made on Rs 30000=(30000*10)/100=Rs 3000
Si on Rs 15000= - Meenakshi borrows Rs 8000 at S.I.At end of 3 years,she again borrows Rs 7000 and closed her account after paying Rs 8415 as intrest after 8 years from the time she made the first borrowing.Find the rate of intrest?
8.5%9.0%9.5%7.5%None of theseOption A
Let x be the rate of intrst
=8000 * 3x/100 + 15000 * 5x/100 = 8415
=240x+750x=8415
x=8.5% - Rashi borrows a sum of Rs 2000 at the beginning of a year.After 4 months,Rs 2600 more is borrowed at a rate of intrest double the previous one.At end of one year,the sum of intrrst on both the loans is Rs 494.What is first rate of intrest per annum?
6.5%7.0%8.5%8.0%9.5%Option E
Lete rate be x.
SI=2000x/100 = 20x
P=Rs 2600′
Rate=2x
SI=5200x/100=52x
52x=494
x=9.5% - At what percentage of S.I,sum of moneey will be doubling itself in 7 years?
12(3/7)%14(2/7)%8%9.5%None of theseOption B
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