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UPSC CSAT • TOPIC PRACTICE
Problems Based on Ages
Practice all 3 questionsclassified under Problems Based on Ages.
A father said to his son, "n years back I was as old as you are now. My present age is four times your age n years back". If the sum of the present ages of the father and the son is 130 years, what is the difference of their ages?
UPSC CSAT marking
Correct answer: +2.5 marks. Incorrect answer: −1/3 of 2.5 marks (−0.8333 marks). Skipped questions receive 0 marks.