Quiz  /  Ratio and proportion RRB (Railways) MCQ Questions With Answers

  • 1. 
    The ratio of the numbers of male and female workers in a farm having 320 workers is 9 : 11. What will be the new ratio if 8 female workers leave the work?

  • 91 : 81
  • 17 : 20
  • 6 : 7
  • 7 : 9

  • 2. 
    Rs. 3900 is divided into three parts A, B, C. How much A is more than C if their Ratio is \(\frac{1}{2}:\frac{1}{3}:\frac{1}{4}\)

  • Rs. 300
  • Rs. 600
  • Rs. 900
  • Rs. 1, 800

  • 3. 
    A virus inside a human organ can triple itself at every second. Then the ratio of the number of viruses at 31 seconds and 33 seconds is

  • 9 : 1
  • 1 : 3
  • 1 : 9
  • 14 : 15

  • 4. 
    If x : y = 5 : 1, then (4x2 – 22xy + 10y2) is equal to

  • 4/5
  • 3/8
  • 0
  • 10

  • 5. 
    If Gaganjyot's salary is 7/6 times of Hafiz's and Sayed's is 8/7 times of Hafiz's, what is the ratio of Gaganjyot's salary to Sayed's.

  • 49 : 48
  • 3 : 4
  • 4 : 3
  • 48 : 49

  • 6. 
    Two vessels of equal volume contain milk and water in the ratio 1 : 3 and 2 : 1. If they are mixed together, what is the new ratio?

  • 11 : 13
  • 13 : 11
  • 9 : 11
  • 11 : 9

  • 7. 
    Two numbers are in the ratio 5 : 6. When 6 is added to each, the ratio becomes 7 : 8 then the numbers are

  • 10 & 12
  • 20 & 24
  • 15 & 18
  • 5 & 6

  • 8. 
    Fresh fruit contains 75% water and dry fruit contains 20% water. How much dry fruit can be obtained from 300 kg of fresh fruits?

  • 15 kg
  • 93.75 kg
  • 75 kg
  • 60 kg

  • 9. 
    A man divides his property so that his son’s share to his wife’s and wife’s share to his daughter’s are both as in the ratio 3: 1. If the daughter gets Rs. 10,000 less than son, the value (in rupees) of the whole property is

  • Rs. 16,250
  • Rs. 16,000
  • Rs. 18,250
  • Rs. 17,000

  • 10. 
    The population of a town is 10,000. If the males increases by 5% and the females by 6%, the population will be 10540. How much females are there?

  • 3500
  • 4000
  • 4500
  • 2500

  • 11. 
    Tiger is chasing a Zebra. The distance covered by Tiger in 9 leaps is equal to the distance covered by Zebra in 7 leaps. If in the same interval of time Tiger leaps 6 times while Zebra leaps 4 times. The ratio of speed of Tiger and Zebra is

  • 7 : 6
  • 28 : 15
  • 14 : 27
  • 3 : 4

  • 12. 
    Some money is divided among A, B and c in such a way that 7 times A’s share, 9 times B’s share and 11 times C’s share are all equal. The ratio between the shares of A, B, C is

  • 7 : 9 : 11
  • 11 : 9 : 7
  • 63 : 77 : 99
  • 99 : 77 : 63

  • 13. 
    If \(\frac{2}{3}\ {\rm{of\ A}} = 30{\rm{\%\ of\ B}} = 0.5\ {\rm{of\ C}}.\) Then A : B : C is ?

  • 9 : 20 : 12
  • 9 : 20 : 14
  • 2 : 10 : 5
  • 12 : 25 : 15

  • 14. 
    In an alloy, the ratio of tin and lead is 4 : 3. If 2.250 kg of lead is mixed in 16 kg 100 gm of alloy, then the ratio of tin and lead will be

  • 184 : 183
  • 180 : 181
  • 148 : 142
  • 143 : 138

  • 15. 
    A bag has Rs12.9 in the form of 1 rupee, 50 paise and 10 paise coins in the ratio of 3 : 2 : 3. How many 50 paise coins are there in the bag?

  • 9
  • 6
  • 12
  • 3

  • 16. 
    If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is

  • 7 : 5
  • 5 : 7
  • 4 : 7
  • 4 : 3

  • 17. 
    The railway fares of air conditioned sleeper and ordinary sleeper class are in the ratio 4 : 1. The number of passengers travelled by air conditioned sleeper and ordinary sleeper classes were in the ratio 3 : 25. If the total collection was Rs. 37,000, how much did air conditioner sleeper passengers pay?

  • Rs. 15,000
  • Rs. 10,000
  • Rs. 12,000
  • Rs. 16,000
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