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CuriousTab

Ratio and Proportion problems


  • 1. 
    If x/2y = 6/7, then find the value of (x - y) / (x + y) + 14/19?

  • Options
  • A. 5
  • B. 1
  • C. 4
  • D. 3
  • Discuss
  • 2. 
    The total weight of sanjay and suresh is 120 kg. If sanjay weighs 30 kg more than Suresh, then what is the ratio of the weight of suresh to that of sanjay?

  • Options
  • A. 0.4
  • B. 0.6
  • C. 0.3
  • D. 0.25
  • Discuss
  • 3. 
    In a school the ratio of boy and girls is 4 : 5 When 100 girls leave the school the ratio become 6 : 7. How many boys are there in the school?

  • Options
  • A. 1800
  • B. 1200
  • C. 1000
  • D. 1500
  • Discuss
  • 4. 
    In a class the number of boys and girls is in the ratio of 4 : 5. If 10 more boys join the class, the ratio of numbers of boys and girls become 6 : 5. How many girls there in the class?

  • Options
  • A. 20
  • B. 30
  • C. 25
  • D. Couldn't be determined
  • Discuss
  • 5. 
    The total number of student in a school is 8670. If the number of boys in the school is 4545, then what will be the ratio of the total number of boys to the total number of girls in the school?

  • Options
  • A. 303 : 275
  • B. 275 : 303
  • C. 11 : 12
  • D. 12 : 11
  • Discuss
  • 6. 
    A truck covers a distance 640 km in 10 h. A car covers the same distance in 8 h. What is the respective ratio of speed of the truck to that of car?

  • Options
  • A. 3 : 4
  • B. 1 : 2
  • C. 4 : 5
  • D. None of these
  • Discuss
  • 7. 
    A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of the two speeds is

  • Options
  • A. 4 : 1
  • B. 1 : 4
  • C. 2 : 1
  • D. 1 : 2
  • Discuss
  • 8. 
    A person distributes his pens among four friends A, B, C and D in the ratio 1/3 : 1 / 4 : 1/5 : 1/6. What is the minimum number of pens that the person should have?

  • Options
  • A. 75
  • B. 45
  • C. 57
  • D. 65
  • Discuss
  • 9. 
    Divide ? 990 into 3 parts in such a way that half of the first part, one - third of the second part and one -fifth of the third part are equal .

  • Options
  • A. 198, 494, 298
  • B. 198, 297 , 495
  • C. `200, 300 , 490
  • D. 196, 298, 496 ,
  • Discuss
  • 10. 
    The quantity that must be added to each term of a : b, so as to make it c : d, is

  • Options
  • A. ab - cd/a - b
  • B. ac + bd/c + a
  • C. ad + bc/c + d
  • D. ad - bc/c - d
  • Discuss

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