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- Question
A shopkeeper earns a profit of 15% after selling a book at 20% discount on the printed price . The ratio of the cost price and printed price of the book is
Options- A. 20:23
- B. 23:20
- C. 16:23
- D. 23:16
- Correct Answer
- 16:23
- 1. A truck covers a distance of 550 metres in one minute where as a bus covers a distance of 33 km in 3/4 hours. Then the ratio of their speeds is :
Options- A. 1:3
- B. 2:3
- C. 3:4
- D. 1:4 Discuss
- 2. Find the fourth proportional to 2, 3, 6.
Options- A. 9
- B. 10
- C. 7
- D. 8 Discuss
- 3. There are 209 doctors and nurses in a hospital. If the ratio of the doctors to the nurses is 11 : 8, then how many nurses are there in the hospital?
Options- A. 88
- B. 96
- C. 108
- D. 121 Discuss
- 4. Which of the following could not be the lengths of the sides of a right angled triangle?
Options- A. 3, 4, 5
- B. 5, 12, 13
- C. 8, 15, 17
- D. 12, 15, 18 Discuss
- 5. Visitors to a show were charged Rs. 15 each on the first day, Rs. 7.50 on the second day, Rs. 2.50 on the third day and total attendance on three days were in the ratio 2:5:13 respectively. The average charge per person for the entire three days is
Options- A. Rs. 5
- B. Rs. 5.50
- C. Rs. 6
- D. Rs. 7 Discuss
- 6. x and y are two numbers such that their mean proportion is 8 and third proportion is 512. What is the value of x and y?
Options- A. 2 and 16
- B. 2 and 32
- C. 4 and 32
- D. 4 and 16 Discuss
- 7. If 3A = 7B = 13C, then A : B : C is equal to
Options- A. 21:39:91
- B. 39:91:21
- C. 13:7:3
- D. 91:39:21 Discuss
- 8. What number should be added to each of the numbers 94, 24, 100 and 26, so that the resulting numbers are in continued proportion?
Options- A. 10
- B. 11
- C. 9
- D. 8 Discuss
- 9. Rs 6300 is divided among A, B and C in the ratio of 1/2 : 1 : 3/5. What is the share (in Rs) of B?
Options- A. 3300
- B. 2700
- C. 3000
- D. 4200 Discuss
- 10. If 6A = 7B = 5C; find A : B : C
Options- A. 42:30:35
- B. 30:35:42
- C. 5:7:6
- D. 35:30:42 Discuss
Ratio and Proportion problems
Search Results
Correct Answer: 3:4
Correct Answer: 9
Correct Answer: 88
Explanation:
Given,
The ratio of the doctors to the nurses is 11 : 8
Number of nurses = 8/19 x 209 = 88.
Correct Answer: 12, 15, 18
Explanation:
Using Pythagoras theorem we can see that 122 + 152 is not equal to 182
Neither is 102 + 242 = 252
Correct Answer: Rs. 5
Correct Answer: 2 and 32
Correct Answer: 91:39:21
Correct Answer: 11
Correct Answer: 3000
Correct Answer: 35:30:42
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