Reference : Simple Interest
Q1. A sum of money doubles itself in 12 years at simple interest. What is the rate of interest?
10%
8.33%
9.25%
7.5%
Q2. John borrows $5,000 at 6% simple interest for 4 years. How much interest will he pay?
$1,600
$1,200
$1,400
$1,000
Q3. A sum of $8,000 is lent out in two parts. One part at 5% and the other at 4% simple interest. If the total interest earned in 2 years is $720, how much was lent at 5%?
$6,000
$4,000
$5,000
$3,000
Q4. If simple interest on a sum for 2 years at 5% per annum is $250, what is the simple interest on the same sum for 5 years at 8% per annum?
$1,400
$1,000
$1,200
$800
Q5. A man borrows $10,000 at 8% simple interest. He repays $6,000 after 1 year. What amount will he have to pay at the end of 3 years from the date of borrowing to clear his debt?
$8,000
$7,040
$7,520
$6,560
Q6. The difference between simple interest and compound interest on a certain sum for 2 years at 4% per annum is $1. What is the sum?
$875
$625
$750
$500
Q7. A sum of money amounts to $7,200 in 6 years and $8,000 in 8 years at simple interest. Find the sum and the rate of interest.
$6,400 and 3%
$5,600 and 5%
$6,000 and 4%
$5,000 and 6%
Q8. If $1,000 amounts to $1,200 in 4 years at simple interest, in how many years will $1,500 amount to $2,100 at the same rate?
12 years
8 years
10 years
6 years
Q9. A sum of money at simple interest amounts to $815 in 3 years and to $854 in 4 years. Find the sum and the rate of interest.
$750 and 3%
$720 and 4%
$737 and 3.5%
$700 and 5%
Q10. The simple interest on a sum of money is 1/25 of the principal, and the number of years is equal to the rate percent per annum. Find the rate percent.
7%
5%
6%
4%
Other References :
AP & GP : Link
Area : Link
Average : Link
Boat & Stream : Link
Compound Interest : Link
Height & Distance : Link
LCM & HCF : Link
Logarithm : Link
Percentage : Link
Profit & Loss : Link
Ratio & Proportion : Link
Speed Distance : Link
Time & Work : Link
Trains Problem : Link
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