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Quant – Ratio & Proportion – Set 9
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.
- If A : B = 1 : 2, B : C = 3 : 4 and C : D = 1 : 3, find A : D.
- A. 1 : 4
- B. 1 : 6
- C. 1 : 8
- D. 8 : 1
Show answer and explanation
Answer: C. 1 : 8
A : D = (1 × 3 × 1) : (2 × 4 × 3) = 3 : 24 = 1 : 8.
- Rs 9000 is divided among A, B and C in the ratio 2 : 3 : 7. How much does C get?
- A. Rs 4200
- B. Rs 5250
- C. Rs 4725
- D. Rs 3675
Show answer and explanation
Answer: B. Rs 5250
Total parts = 12, one part = 9000/12 = 750. C gets 7 × 750 = Rs 5250.
- The sum of two numbers is 108 and they are in the ratio 5 : 7. Find the larger number.
- A. 75
- B. 57
- C. 70
- D. 63
Show answer and explanation
Answer: D. 63
One part = 108/12 = 9. Larger number = 7 × 9 = 63.
- If A : B = 4 : 5 and B : C = 3 : 7, find A : B : C.
- A. 35 : 15 : 12
- B. 12 : 15 : 35
- C. 12 : 15 : 50
- D. 4 : 5 : 7
Show answer and explanation
Answer: B. 12 : 15 : 35
Make B equal: A : B = 12 : 15 and B : C = 15 : 35. So A : B : C = 12 : 15 : 35.
- Find x if 3 : 8 = 6 : x.
- A. 18
- B. 20
- C. 14
- D. 16
Show answer and explanation
Answer: D. 16
x = 8 × 6/3 = 16.
- Find the third proportional to 16 and 64.
- A. 308
- B. 178
- C. 256
- D. 334
Show answer and explanation
Answer: C. 256
Third proportional = 64²/16 = 4096/16 = 256.
- A bag contains Re 1, 50 paise and 25 paise coins in the ratio 6 : 4 : 4. If the total value is Rs 360, how many 50 paise coins are there?
- A. 176
- B. 192
- C. 112
- D. 160
Show answer and explanation
Answer: D. 160
Let the coins be 6k, 4k and 4k. Value = 6k + 0.5 × 4k + 0.25 × 4k = 9k = 360. So k = 40 and the 50 paise coins = 4 × 40 = 160.
- A and B start a business with Rs 2000 and Rs 3000 for the same period. They earn a profit of Rs 15,000. What is A's share?
- A. Rs 6000
- B. Rs 7800
- C. Rs 5400
- D. Rs 7200
Show answer and explanation
Answer: A. Rs 6000
Profit is shared in the ratio 2 : 3. A's share = 15,000 × 2000/5000 = Rs 6000.
- If A : B = 1 : 2, B : C = 3 : 4 and C : D = 2 : 5, find A : D.
- A. 3 : 20
- B. 7 : 40
- C. 4 : 27
- D. 20 : 3
Show answer and explanation
Answer: A. 3 : 20
A : D = (1 × 3 × 2) : (2 × 4 × 5) = 6 : 40 = 3 : 20.
- Rs 3600 is divided among A, B and C in the ratio 2 : 3 : 5. How much does C get?
- A. Rs 1980
- B. Rs 1800
- C. Rs 1440
- D. Rs 1620
Show answer and explanation
Answer: B. Rs 1800
Total parts = 10, one part = 3600/10 = 360. C gets 5 × 360 = Rs 1800.