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- Question
The ratio of number of boys to the number of girls in a school of 432 pupils is 5 : 4. When some new boys and girls are admitted, the number of boys increase by 12 and the ratio of the boys to girls changes to 7 : 6. The number of new girls admitted is
Options- A. 12
- B. 14
- C. 24
- D. 20
- Correct Answer
- 24
- 1. The flight fare between two cities is increased in the ratio 11:13. What is the increase (in Rs) in the fare, if the original fare was Rs 12100?
Options- A. 14300
- B. 2200
- C. 22000
- D. 1430 Discuss
- 2. If A = 2B = 4C; what is the value of A : B : C?
Options- A. 4 : 2 : 1
- B. 1 : 2 : 4
- C. 8 : 4 : 1
- D. 16 : 4 : 1 Discuss
- 3. The ratio of two positive numbers is 3:4. The sum of their squares is 400. What is the sum of the numbers?
Options- A. 28
- B. 22
- C. 24
- D. 26 Discuss
- 4. The diagonals of two squares are in the ratio 5:2.The ratio of their area is
Options- A. 5:6
- B. 25:4
- C. 5:4
- D. 125:8 Discuss
- 5. A certain sum of money was divided between A, B and C in the ratio 5:6:9. If A received Rs. 450 the sum divided was
Options- A. 2000
- B. 1800
- C. 2250
- D. 1000 Discuss
- 6. Sanjay's test marks in two subjects, English and Hindi are in the ratio 7 : 11. If he got 20 marks more in Hindi than in English, what are his marks in English?
Options- A. 35
- B. 55
- C. 45
- D. 65 Discuss
- 7. What is the third proportional to 10 and 20?
Options- A. 30
- B. 25
- C. 50
- D. 40 Discuss
- 8. If 2A = 3B = 8C; What is A : B : C?
Options- A. 8 : 3 : 2
- B. 8 : 4 : 3
- C. 2 : 3 : 8
- D. 12 : 8 : 3 Discuss
- 9. What is the Number of candidates who had applied if the ratio of selected to unselected was 14 : 25. If 35 less had applied and 10 less selected, the ratio of selected to unselected would have been 3 : 5?
Options- A. 195
- B. 205
- C. 185
- D. 175 Discuss
- 10. What is the fourth proportional to 6, 24 and 83?
Options- A. 249
- B. 332
- C. 166
- D. 498 Discuss
Ratio and Proportion problems
Search Results
Correct Answer: 2200
Correct Answer: 4 : 2 : 1
Correct Answer: 28
Correct Answer: 25:4
Correct Answer: 1800
Correct Answer: 35
Correct Answer: 40
Correct Answer: 12 : 8 : 3
Correct Answer: 195
Correct Answer: 332
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