Directions: mark against, the
correct answer:
1.
David obtained 76, 65, 82, 67 and 85 marks (out
of 100) in English, mathematics, Physics, Chemistry and Biology. What are his
average marks?
a)
65
b)
69
c)
72
d)
76
e)
None of these
2.
In Arun’s opinion, his weight is greater than 65
kg but less than 72 kg. His brother does not agree with Arun and he thinks that
Arun’s weight is greater than 60 Kg but less than 70 Kg. His mother’s view is
that his weight cannot be greater than 68 kg. If all of them are correct in
their estimation, what is the average of different probable weights of arun?
a)
76 kg
b)
68 kg
c)
69 kg
d)
Data inadequate
e)
None of these
3.
The average of 20 numbers is zero, Of them, at
the most, how many may be greater than zero?
a)
0
b)
1
c)
10
d)
19
4.
Find the average of all the numbers between 6
and34 which are divisible by 5.
a)
18
b)
20
c)
24
d)
30
5.
The average first five multiples of 3 is:
a)
3
b)
9
c)
12
d)
15
ANSWERS
