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Quant – Ratio & Proportion – Set 8
Read the following instructions carefully
- The test contains 10 questions.
- Each question has 4 options, of which only one is correct.
- You have to finish the test in 8 minutes.
- You are awarded 1 mark for each correct answer, and 0.25 marks are deducted for each wrong answer.
- There is no negative marking for questions you do not attempt.
- You may pause the test at any time and resume where you left off.
- Your marks, the correct answers and an explanation for every question are shown as soon as you submit.
- You can take this test as many times as you like. A fresh set is drawn each time you reload the page.
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Review this set's questions and answers (opens after you submit the test)
This free practice set from AndamanJobs has 10 questions to be solved in 8 minutes. Every question is listed below with four options. Open Show answer and explanation under a question to see the correct option and why it is correct. Try the timed test above first, then use this list to revise the questions you got wrong.
- The income and expenditure of a person are in the ratio 7 : 5. If he saves Rs 4000, find his income.
- A. Rs 14,000
- B. Rs 16,800
- C. Rs 9800
- D. Rs 12,600
Show answer and explanation
Answer: A. Rs 14,000
Income : expenditure = 7 : 5, so savings = 2 parts = 4000. Income = 7 × 2000 = Rs 14,000.
- If A : B = 4 : 5, B : C = 5 : 6 and C : D = 2 : 5, find A : D.
- A. 41 : 150
- B. 2 : 3
- C. 15 : 4
- D. 4 : 15
Show answer and explanation
Answer: D. 4 : 15
A : D = (4 × 5 × 2) : (5 × 6 × 5) = 40 : 150 = 4 : 15.
- Rs 3000 is divided among A, B and C in the ratio 4 : 5 : 6. How much does B get?
- A. Rs 800
- B. Rs 900
- C. Rs 700
- D. Rs 1000
Show answer and explanation
Answer: D. Rs 1000
Total parts = 15, one part = 3000/15 = 200. B gets 5 × 200 = Rs 1000.
- The sum of two numbers is 60 and they are in the ratio 2 : 3. Find the larger number.
- A. 28
- B. 36
- C. 32
- D. 40
Show answer and explanation
Answer: B. 36
One part = 60/5 = 12. Larger number = 3 × 12 = 36.
- Two numbers are in the ratio 2 : 3. If 20 is added to each, the ratio becomes 4 : 5. Find the smaller number.
- A. 22
- B. 26
- C. 20
- D. 16
Show answer and explanation
Answer: C. 20
Let the numbers be 2k and 3k. (2k + 20)/(3k + 20) = 4/5 gives k = 10. Smaller number = 2 × 10 = 20.
- If A : B = 3 : 5 and B : C = 5 : 6, find A : B : C.
- A. 3 : 5 : 6
- B. 30 : 51 : 62
- C. 3 : 5 : 11
- D. 6 : 5 : 3
Show answer and explanation
Answer: A. 3 : 5 : 6
Make B equal: A : B = 15 : 25 and B : C = 25 : 30. So A : B : C = 3 : 5 : 6.
- Find x if 3 : 8 = 15 : x.
- A. 40
- B. 52
- C. 48
- D. 44
Show answer and explanation
Answer: A. 40
x = 8 × 15/3 = 40.
- Find the third proportional to 9 and 45.
- A. 291
- B. 181
- C. 225
- D. 232
Show answer and explanation
Answer: C. 225
Third proportional = 45²/9 = 2025/9 = 225.
- A and B start a business with Rs 2000 and Rs 3000 for the same period. They earn a profit of Rs 6000. What is A's share?
- A. Rs 2640
- B. Rs 2160
- C. Rs 2400
- D. Rs 2880
Show answer and explanation
Answer: C. Rs 2400
Profit is shared in the ratio 2 : 3. A's share = 6000 × 2000/5000 = Rs 2400.
- The income and expenditure of a person are in the ratio 6 : 5. If he saves Rs 3000, find his income.
- A. Rs 18,000
- B. Rs 16,200
- C. Rs 21,600
- D. Rs 14,400
Show answer and explanation
Answer: A. Rs 18,000
Income : expenditure = 6 : 5, so savings = 1 parts = 3000. Income = 6 × 3000 = Rs 18,000.