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Simple & Compound Interest MCQs for CET 12th Level

Practice 20 free simple & compound interest multiple choice questions for CET 12th Level exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.

Master Simple & Compound Interest under Arithmetic for CET 12th Level with our curated MCQ set. Every question is sourced from real Rajasthan exam patterns and updated regularly. Switch between Hindi and English anytime. Use this daily to strengthen weak areas before the exam.

CET 12th Level — Arithmetic — Simple & Compound Interest

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

A batsman makes a score of 108 runs in his 11th inning and thereby increases his average by 6. What is his new average?

Question 2 of 20

The difference between simple and compound interest on a sum for 3 years at 10% per annum is Rs. 155. Find the sum.

Question 3 of 20

A sum of money amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years at simple interest. Find the principal amount.

Question 4 of 20

A train running at 54 km/h takes 20 seconds to pass a platform. Next, it takes 12 seconds to pass a man walking at 6 km/h in the same direction in which the train is going. Find the length of the train.

Question 5 of 20

A box contains Rs. 1, 50p, and 25p coins in the ratio 2:3:4. If the total amount is Rs. 180, find the number of 50p coins.

Question 6 of 20

A sum of money amounts to Rs. 2420 in 2 years and Rs. 2662 in 3 years at compound interest. Find the rate of interest per annum.

Question 7 of 20

The average age of A and B is 20 years, B and C is 19 years, and A and C is 21 years. What is the age of A?

Question 8 of 20

The average of 5 numbers is 27. If one number is excluded, the average becomes 25. The excluded number is:

Question 9 of 20

A number is increased by 10% and then decreased by 10%. What is the net change in the number?

Question 10 of 20

A and B can do a piece of work in 20 and 30 days respectively. They work together for 4 days, and then A leaves. How many days will B take to finish the remaining work?

Question 11 of 20

The difference between simple and compound interest for 3 years at 10% per annum is Rs. 31. Find the sum.

Question 12 of 20

If A:B = 2:3 and B:C = 4:5, then what is A:B:C?

Question 13 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 14 of 20

Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of money is:

Question 15 of 20

The average of 50 numbers is 36. It was later found that a number 48 was wrongly read as 23. Find the correct average.

Question 16 of 20

4 men or 6 women can complete a work in 12 days. In how many days can 2 men and 3 women complete the same work?

Question 17 of 20

If 15 men can do a work in 20 days, in how many days will 10 men do the same work?

Question 18 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 19 of 20

Find the selling price of an article marked at Rs 500 after successive discounts of 20% and 10%.

Question 20 of 20

The difference between two numbers is 14 and the difference between their squares is 280. Find the sum of the two numbers.

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