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RRB ALP 21st Aug 2018 Shift-2 Question 1

Question 1

Tom’s father is thrice as old as Tom. 10 years ago Tom’s father’s age was 7 times his age. What is Tom’s current age?

Solution

The correct option is C.

Let the Tom’s current age = $$x$$

Tom’s father current age =$$3x$$

Form question, $$7(x-10)=3x-10$$

$$\implies$$ $$7x-70=3x-10$$

$$\implies$$ $$4x=60$$

      $$x=15years$$



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