operations on numbers (6.papers)

hcf and lcm (5.papers)

averages (8.papers)

problems on ages (9.papers)

percentage (4.papers)

profit and loss (4.papers)

ratio and proportion (5.papers)

chain rule (5.papers)

time and work (4.papers)

pipes and cisterns (5.papers)

time and distance (5.papers)

problems on trains (8.papers)

boats and streams (7.papers)

partnership (6.papers)

simple interest (4.papers)

compound interest (2.papers)

permutation and combination (3.papers)

clock (2.papers)

calendar (3.papers)

1

The sum of the ages of a father and his son Vijay is 45 years. Five years ago, the product of their ages was four times the fathers age at that time. The present age of father and son, respectively are

25 years,10 years

39 years, 6 years

36 years, 9 years

none of these

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2

Five years ago, the total of the ages of Manjunath and his son was 40 years. The ratio of their present ages is 4 : 1. What is the present age of the Manjunath

30 years

25 years

20 years

40 years

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