Ratio, Proportion & Partnership MCQs for Rajasthan SI

Practice 20 free ratio, proportion & partnership multiple choice questions for Rajasthan SI exam. Instant answers, explanations in Hindi and English, and topic-wise targeted practice.

Master Ratio, Proportion & Partnership 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 — Ratio, Proportion & Partnership

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

If the radius of a circle is increased by 20%, its area will increase by?

Question 2 of 20

The average of 10 numbers is 30. If one number 15 is incorrectly read and replaced by 45, what will be the new average?

Question 3 of 20

A, B, and C share profits in a business. A gets 2/7 of the total, while B and C share the rest equally. A's income rises by Rs. 240 if the profit rate goes from 10% to 15%. What is the total capital?

Question 4 of 20

The average age of 30 boys is 15 years. If the teacher's age is included, the average becomes 16 years. What is the teacher's age?

Question 5 of 20

The ratio of the speeds of two trains is 7:8. If the second train covers 400 km in 4 hours, what is the speed of the first train?

Question 6 of 20

A rectangle's length is increased by 10% and breadth is decreased by 10%. What is the change in its area?

Question 7 of 20

A batsman makes a score of 87 runs in the 17th inning, and thus increases his average by 3. Find his average after the 17th inning.

Question 8 of 20

Three successive discounts of 10%, 20%, and 25% are equivalent to a single discount of?

Question 9 of 20

Find the difference between CI and SI on ₹1000 for 3 years at 10% per annum.

Question 10 of 20

A, B, and C enter into a partnership. A invests 3 times as much as B, and B invests two-thirds of what C invests. Find the ratio of their profits at the end of the year.

Question 11 of 20

A car covers half of its journey at 20 km/h and the remaining half at 30 km/h. Find its average speed.

Question 12 of 20

Three bells ring simultaneously at intervals of 10, 15, and 20 minutes respectively. If they all rang together at 10:00 AM, at what time will they ring together again?

Question 13 of 20

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

Question 14 of 20

A 42-liter mixture contains milk and water in the ratio 5:2. If 3 liters of water is added, what will be the new ratio of milk and water?

Question 15 of 20

A and B invest in a business in the ratio 3:2. If 5% of the total profit goes to charity and A's share is Rs 855, find total profit.

Question 16 of 20

If the radius of a circle is increased by 10%, its area will increase by what percent?

Question 17 of 20

Two numbers are in the ratio 3:5. If 9 is subtracted from each, the new ratio becomes 12:23. What is the smaller number?

Question 18 of 20

A starts a business with ₹50,000. B joins after 3 months with ₹70,000. C joins after 6 months with ₹80,000. Find the ratio of their profits at the end of the year.

Question 19 of 20

A, B, and C start a business. A invests 3 times as much as B, and B invests 2/3 of what C invests. Find the ratio of their profits.

Question 20 of 20

In what ratio must rice at Rs 30/kg be mixed with rice at Rs 40/kg so that the mixture is worth Rs 33/kg?

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