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)

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2

The batting average for 25 innings of a cricket team captain is 42 runs. His lowest score is 156 runs less than his highest score. If these two innings are excluded, the average of the remaining 23 innings is 38 runs. The highest score of the player is

165 runs

170 runs

172 runs

166 runs

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5

After replacing an old member by a new member, it was found that the average age of eight members of a club is the same as it was two years ago.What is the difference between the ages of the replaced and the new member?

2 years

4 years

8 years

16 years

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7

The average of ten numbers is X and the average of five of these is Y.If the average of the remaining five is z, then

x = y+z

2x = y+z

x = 2y+2z

none of the above

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9

Husband and wife having average age of 26 years at their marriage time. After four years they have a two year old child. The average age of the family now

20.66 years

23 years

28.5 years

29.3 years

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10

4 years ago, the average age of P and Q was 21 years. With R joining them, the average age becomes 26 years. How old is R now?

20 years

28 years

27 years

30 years

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11

The average of a natural number(i.e non-zero) and its square is 5 times the number. The number is

9

17

29

295

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12

The average weight of twelve persons increases by 1.5 kg when a new person comes in place of one of them weighing 58 kg. What might be the weight of the new person?

85 kg

77.5 kg

76 kg

90 kg

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15

The average age of ten boys is increased by half year when one of them whose ages are 16 years is replaced by one new boy. The age of the new boy is:

12 years

17 years

18 years

21 years

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