Sample QuestionsSimple Interest questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The simple interest on a certain sum is $\frac{16}{25}$ of the sum. If the rate percent per annum and the time are numerically equal, then the rate percent is:
Answer: A.
View full solution →The difference between the interest obtained for $Rs. 1000$ at $12\%$ per annum for $3$ years and that for $Rs. 1500$ at $8\%$ per annum for $1\frac{1}{2}$ years is:
- A
$Rs. 360$
- B
$Rs. 300$
- ✓
$Rs. 180$
- D
$Rs. 200$
Answer: C.
View full solution →If a sum of $Rs. 3000$ is lent out at $3 \%$ per annum for $20$ years under simple interest, then the amount at the end of $20^{\text {th }}$ year is:
- A
$Rs. 1800$
- B
$Rs. 1080$
- C
$Rs. 3600$
- ✓
$Rs. 4800$
Answer: D.
View full solution →At what rate percent per annum simple interest will a sum double itself in $10$ years$?$
Answer: B.
View full solution →If interest on $Rs. x$ for $2$ years at $R\%$ per annum is $Rs. 80,$ the interest on $Rs. 2 x$ for one year at $R\%$ per annum is:
- A
$Rs. 160$
- B
$Rs. 40$
- ✓
$Rs. 80$
- D
$Rs. 120$
Answer: C.
View full solution →In how many years will a certain sum become $3$ times itself at $25\%$ per annum under simple interest?
Answer: B.
View full solution →Find the simple interest, when: Principal $= Rs. 1200$, Rate of Interest $= 18\%$ per annum, and Time $= 4$ month.
View full solution →Find the simple interest, when: Principal $= Rs. 2000,$ Rate of Interest $= 5\%$ per annum, and Time $= 5$ years.
View full solution →Find the simple interest, when:
Principal $= Rs. 4500$, Rate of Interest $= 4\%$ per annum, and Time $= 6$ month.
View full solution →Find the simple interest, when: Principal $= Rs. 500$, Rate of Interest $= 12.5%$ per annum, and Time $= 4$ years.
View full solution →Find the simple interest, when: Principal $= Rs. 1000$, Rate of Interest $= 10\%$ per annum, and Time $= 73$ days.
View full solution →Romesh borrowed $Rs. 2000 $ at $2\%$ per annum and $Rs. 1000$ at $5\%$ per annum. He cleared his debt after $2$ years by giving $Rs. 2800$ and a watch. What is the cost of the watch?
View full solution →Mr. Garg lent $Rs. 15000$ to his friend. He charged $15\%$ per annum on $Rs. 12500$ and $18\%$ on the rest. How much interest does he earn in $3$ years?
View full solution →Rohit borowed $Rs. 600000$ from a bank at $9\%$ per annum for $2$ years. He lent this sum of money to Rohan at $10\%$ per annum for $2$ years. How much did Rohit earn from this transaction?
View full solution →Shikha deposited $Rs. 2000$ in a bank which pays $6\%$ simple interest. She withdrew $Rs. 700$ at the end of first year. What will be her balance after $3$ years?
View full solution →Rakesh lent out $Rs. 8000$ for $5$ years at $15\%$ per annum and borrowed $Rs. 6000$ for $3$ years at $12\%$ per annum. How much did he gain or lose?
View full solution →Reema took a loan of $Rs. 8000$ from a money lender, who charged interest at the rate of $18\%$ per annum. After $2$ years, Reema paid him $Rs. 10400$ and wristwatch to clear the debt. What is the price of the watch?
View full solution →A sum of $Rs. 400$ is lent at the rate of $5\%$ per annum. Find the interest at the end of $2$ years.
View full solution →A person deposits $Rs. 25000$ in a firm who pays an interest at the rate of $20\%$ per annum. Calculate the income he gets from it annually.
View full solution →A sum of $Rs. 400$ is lent for $3$ years at the rate of $6\%$ per annum. Find the interest.
View full solution →Nalini borrowed $Rs. 550$ from her friend at $8\%$ per annum. She returned the amount after $6$ months. How much
did she pay?
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