Simple & Compound Interest MCQs for Rajasthan SI
Practice 20 free simple & compound interest multiple choice questions for Rajasthan SI exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.
Master Simple & Compound Interest under Arithmetic for Rajasthan SI 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.
Rajasthan SI — Arithmetic — Simple & Compound Interest
20 Questions • Instant results & explanations • Hindi & English
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Question 1 of 20
A man sells two articles for Rs. 990 each. On one he gains 10% and on the other he loses 10%. Find his net profit or loss percentage.
Question 2 of 20
A 150m long train running at 90 km/h crosses a 250m long bridge. How much time will it take?
Question 3 of 20
The average of 10 numbers is 15. If each number is multiplied by 3, what will be the new average?
Question 4 of 20
Two alloys contain gold and copper in the ratio 7:2 and 7:11 respectively. If equal quantities of both alloys are melted to form a new alloy, find the ratio of gold and copper in the new alloy.
Question 5 of 20
The average age of 30 students in a class is 15 years. If the teacher's age is included, the average age becomes 16 years. What is the age of the teacher?
Question 6 of 20
The difference between SI for 3 years and 4 years on the same sum at 5% per annum is Rs. 42. Find the sum.
Question 7 of 20
A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?
Question 8 of 20
The ratio of incomes of A and B is 4:3 and the ratio of their expenditures is 3:2. If both save Rs. 2000, find the income of A.
Question 9 of 20
A 1000 ml mixture of milk and water is in the ratio 4:1. 200 ml of mixture is taken out and replaced with 200 ml water. What is the new ratio of milk and water?
Question 10 of 20
If the selling price of 15 apples is equal to the cost price of 20 apples, find the profit percentage.
Question 11 of 20
A sum of money invested at CI to Rs. 800 in 3 years and to Rs. 840 in 4 years. The rate of interest per annum is:
Question 12 of 20
A student multiplies a number by 3/5 instead of 5/3. What is the percentage error in the calculation?
Question 13 of 20
A grocer mixes two varieties of tea priced at Rs. 60/kg and Rs. 65/kg in the ratio 3:2. Find the price per kg of the mixed tea.
Question 14 of 20
A dishonest dealer claims to sell his goods at cost price, but uses a false weight of 900 grams for 1 kg. Find his profit percentage.
Question 15 of 20
The difference between the simple interest received from two different banks on Rs. 500 for 2 years is Rs. 2.50. Find the difference between their rates.
Question 16 of 20
If A:B = 2:3 and B:C = 4:5, then what is A:B:C?
Question 17 of 20
A man covers half his journey at 30 km/h and the remaining half at 20 km/h. If the total time taken is 10 hours, find the total distance.
Question 18 of 20
If 15 men can complete a piece of work in 20 days, in how many days can 25 men complete the same work?
Question 19 of 20
The incomes of A and B are in the ratio 5:3 and their expenditures are in the ratio 9:5. If they save Rs. 2600 and Rs. 1800 respectively, find A's income.
Question 20 of 20