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Q1. A company produces an average of 4000
items per month for the first 3 months.
How many items, it much produce on an average
per month over the next 9 months to average 4375 items per month over the whole year?
a) 4500
b) 4600
c) 4680
d) 4710
Q2. Of the three numbers whose average is 60,
the first is one fourth of the sum of the others.
The first number is:
a) 30
b) 36
c) 42
d) 45
Q3. The average of 11 numbers is 10.8.
If the average of the first six be 10.4
and that of the last six is 11.5. Then
the middle (6th) number is:
a) 10.3
b) 12.6
c) 13.5
d) 15.5
Q4. A cricketer whose bowling average is 24.85
runs per wicket takes 5 wickets for 52 runs and
thereby decreases his average by o.85. The number
of wickets taken by him till the last match was
a) 64
b) 72
c) 80
d) 96
Q5. The average age of 14 girls and their teacher’s
age is 15 years. If the teacher’s age is excluded
the average reduces by 1. What is the teacher’s age?
a) 35 years
b) 32 years
c) 30 years
d) 29 years
Q6. The average weight of 20 students in a class is
increased by 0.75 kg when one of the students weighing
30 kg is replaced by a new student. Weight of the new student
(in kg) is:
a) 35
b) 40
c) 45
d) 50
Q7. The average monthly income of A and B is Rs 14000,
that of B and C is Rs 15600 and A and C is Rs 14400.
The monthly income of C is
a) Rs 16000
b) 15000
c) Rs 14000
d) Rs 15500
Answers
1a 2b 3b 4 c 5 d 6 c 7a
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