Discussion
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- Question
The ratio of the amount of work done by (x-1) labours in (x+1) days and that done by (x+1) labours in (x+2) days is 5 : 6. Then the value of x is
Options- A. 16
- B. 15
- C. 17
- D. 14
- Correct Answer
- 16
- 1. If P : Q : R = 2 : 3 : 5, then what is the value of (P + Q) : (Q + R) : (R + P)?
Options- A. 5:8:7
- B. 2:3:5
- C. 5:8:10
- D. 4:9:25 Discuss
- 2. What is the fourth proportional to 336, 288 and 161?
Options- A. 184
- B. 115
- C. 138
- D. 134 Discuss
- 3. What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?
Options- A. 20
- B. 10
- C. 5
- D. 15 Discuss
- 4. In what ratio does the point T(x, 0) divide the segment joining the points S(5, 1) and U(-1, -2)?
Options- A. 2 : 1
- B. 1 : 2
- C. 3 : 1
- D. 2 : 3 Discuss
- 5. What is the third proportional to 10 and 25?
Options- A. 125
- B. 150
- C. 62.5
- D. 225 Discuss
- 6. Find the fraction which bears the same ratio to 1/27 that 3/7 does to 5/9 .
Options- A. 5/9
- B. 1/35
- C. 45/7
- D. 7/45 Discuss
- 7. If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is
Options- A. 1 : 2
- B. 1 : 4
- C. 1 : 7
- D. 1 : 8 Discuss
- 8. If 2r = h + r2+h2 , then the ratio of r:h is
Options- A. 1 : 2
- B. 2 : 3
- C. 4 : 3
- D. 3 : 5 Discuss
- 9. In a college union, there are 48 students. The ratio of the number of boys to the number of girls is 5:3. The number of girls to be added in the union, so that the number of boys to girls in 6:5 is
Options- A. 6
- B. 7
- C. 12
- D. 17 Discuss
- 10. Find the third proportional to 6 and 12.
Options- A. 18
- B. 9
- C. 24
- D. 15 Discuss
Ratio and Proportion problems
Search Results
Correct Answer: 5:8:7
Correct Answer: 138
Correct Answer: 20
Correct Answer: 1 : 2
Correct Answer: 62.5
Correct Answer: 1/35
Correct Answer: 1 : 7
Correct Answer: 4 : 3
Correct Answer: 7
Correct Answer: 24
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