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LDC — Simple & Compound Interest MCQs

Practice 20 free simple & compound interest multiple choice questions for LDC exam. Instant answers with explanations in Hindi and English.

Master Simple & Compound Interest under Arithmetic for LDC with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

LDC — Arithmetic — Simple & Compound Interest

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Difference between compound interest for 3rd year and 2nd year on a sum at 10% per annum is Rs. 21. Find the sum.

Question 2 of 20

A reduction of 10% in the price of tea enables a dealer to purchase 2 kg more tea for Rs. 360. What is the original price of tea per kg?

Question 3 of 20

A man sells an article at 10% profit. If he had bought it at 10% less and sold it for Rs. 2 less, he would have gained 16 2/3%. Find the Cost Price.

Question 4 of 20

By selling 33 meters of cloth, a person gains the selling price of 11 meters. Find his gain percent.

Question 5 of 20

A sum becomes 3 times in 5 years at simple interest. In how many years will it become 7 times at the same rate?

Question 6 of 20

A sum of money doubles itself in 4 years at compound interest. In how many years will it amount to 8 times itself?

Question 7 of 20

An article is sold for Rs. 144. If the percentage of profit is numerically equal to its cost price, find the cost price of the article.

Question 8 of 20

The Simple Interest on a sum for 2 years is Rs. 400 and Compound Interest is Rs. 410. Find the rate of interest per annum.

Question 9 of 20

What is the compound interest on Rs. 8000 for 2 years at 5% per annum?

Question 10 of 20

A sum of Rs 800 amounts to Rs 920 in 3 years at simple interest. If the interest rate is increased by 3%, it would amount to how much?

Question 11 of 20

Find the single equivalent discount for successive discounts of 10%, 20%, and 25%.

Question 12 of 20

A dishonest dealer sells his goods at 10% profit on cost price and also uses a weight of 800g instead of 1kg. His total profit percentage is:

Question 13 of 20

At what rate percent per annum simple interest will a sum triple itself in 16 years?

Question 14 of 20

A 150m long train running at 90 km/h crosses a 250m long bridge. How much time will it take?

Question 15 of 20

A sum of money becomes 6 times of itself in 20 years at simple interest. In what time will it become 11 times of itself?

Question 16 of 20

A vessel contains 50 liters of pure milk. 5 liters of milk is taken out and replaced by water. This process is repeated one more time. How much milk is left in the vessel?

Question 17 of 20

The perimeter of a square is 40. The area of a rectangle is equal to the area of this square. If the breadth of the rectangle is 5, find its length.

Question 18 of 20

A trader marks his goods 20% above the cost price and allows a discount of 10%. Find his profit percentage.

Question 19 of 20

In an examination, 35% of total students failed in Hindi, 45% failed in English and 20% in both. The percentage of students who passed in both is:

Question 20 of 20

A shopkeeper sells an article at a loss of 10%. Had he sold it for Rs. 60 more, he would have gained 5%. What is the cost price of the article?

More Arithmetic Subtopics

Practice other subtopics under Arithmetic to strengthen your LDC preparation.