maths

AVERAGE PRACTICE SET-1

1.Three years ago, the average age of A, B and C was 27 years and that of B and C 5 years ago was
20 years. A’s present age is
(a) 30 years
(b) 35 years
(c) 40 years
(d) 48 years

2.The marks obtained by Hare Rama in Mathematics, English and Biology are respectively 93 out
of 100, 78 out of 150 and 177 out of 200. Find his average score in percent.
(a) 87.83
(b) 86.83
(c) 76.33
(d) 77.33

3.The average age of a family of 6 members is 22 years. If the age of the youngest member be 7
years, what was the average age of the family at the birth of the youngest member?
(a) 15
(b) 18
(c) 21
(d) 12

4.The average of a batsman after 25 innings was 56 runs per innings. If after the 26th inning his
average increased by 2 runs, then what was his score in the 26th inning?
(a) 108
(b) 110
(c) 125
(d) 150

5.A man covers half of his journey by train at 60 km/h, half of the remainder by bus at 30 km/h and
the rest by cycle at 10 km/h. Find his average speed during the entire journey.
(a) 36 kmph
(b) 30 kmph
(c) 24 kmph
(d) 18 kmph



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