Mixed Quantitative Aptitude Questions For Clerk Mains Set 62

Two persons appear in an examination for the same post. The probability of first person selected is 1/4 and the probability of second person selected is 1/2. What is the probability that only one of them is selected? 1/4 1/2 2/3 2/5 None Option B Solution: P(1st person selected)=1/4, P(1st person not selected)=3/4 P(2nd person selected)=1/2, P(2nd person not selected)=1/2…

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Mixed Quantitative Aptitude Questions For Clerk Mains Set 61

Ram’s age after six years will be three-seventh of his father’s age. Ten years ago the ratio of their ages was 1:13. What is Ram’s father’s age at present? 36years 32 years 39 years 42 years None Option A Solution: 10years before the ratio of their ages 1x:13x After 6yrs Ram’s age will be 3/7th of his father 1x+16=3/7(13x+16) 7x+112=39x+48…

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