Q1. A man receives 3% interest on 1/3rd of his capital and 6% interest on remaining capital. The percentage interest he receives, on the whole, is which of the following?
Answer : 5%
Q2. What will be 0.2% of 2% of 20?
Answer : 0.0008
Q3. What is the time required for a sum of money to amount to five times itself at 12% simple interest per annum?
Answer : 33 whole 1/3
Q4. A sum becomes Rs 1323 in 2 years and Rs 1389.15 in 3 years when is interest compounded annually. Find the sum?
Answer : Rs. 1200
Q5. Cost price of an article is ₹ 39. If the article is sold at a profit of 7 whole 1/7% on selling price, find selling price of the article.
Answer : ₹ 42
Q6. If a% of b is c, what will be c% of a?
Answer : C^2/b
Q7. In a triangle, ABC, the length of side BC is 10% more than side AB, and length of side AC is 10% less than that of side BC. If the perimeter of triangle ABC is 309 cm, find the length of side AC.
Answer : 99 cm
Q8. When 2% of a number is added to 7/4 of that number result becomes 1.77. Find the number.
Answer : 1
Q9. On selling an article for A, a man earns a profit of 10%. What was the cost price of that article?
Answer : 10/11A
Q10. When selling price of a chair is increased by ₹ 60 a loss of 10% is converted into a profit of 20%. Find the cost price of the chair.
Answer : ₹ 200
Q11. If an article is sold for 50, a gain of 25% is earned, to gain 30% profit what will be selling price of that article?
Answer : 52
Q12. If simple interest on a certain sum of money at the rate of 7% per annum for 5 years is 2925 less than its principal, find interest.
Answer : 1575
Q13. Marked price of a refrigerator is ₹ 15,000. When it is sold at a discount of 20%, a gain of 33 whole 1/3% is earned. Find the cost price of the refrigerator.
Answer : ₹ 9,000
Q14. John multiplied a number by 3/2 instead of 2/3. Find percentage error in calculation.
Answer : 125%
Q15. If a certain sum of money amounts 5376 in 3 years and 5760 in 5 years at a certain rate of simple interest. Find the rate of simple interest.
Answer : 4%
