Ratio and Proportion
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Q. The salaries of A,B and C are in the ratio 5:3:2. If the increments of 20% ,10% and 20% are allowed in their salaries, then what will be the new ratio of their salaries ?

  • (A). 22:11:9
  • (B). 22:10:8
  • (C). 20:11:8
  • (D). 20:10:9
Option (C) is Correct

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Q. Two numbers are respectively 25% and 50% more than a third number. The ratio of the two numbers is:

  • (A). 3 : 5
  • (B). 5 : 6
  • (C). 5 : 4
  • (D). 4 : 5
Option (B) is Correct

Let the third number be $$x$$
then, first number = $$125%ofx=125x/100=5x/4$$
second number = $$150%ofx=150x/100=3x/2$$
$$therefore$$ Ratio of first two numbers=$$5x/4 : 3x/2 = 10x : 12x = 5 : 6$$