# Go For Exams – MCQ Study

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Q 1.

The average price of 10 books is Rs.12 while the average price of 8 of these books is Rs.11.75. Of the remaining two books, if the price of one book is 60% more than the price of the other, what is the price of each of these two books ?

A)  Rs. 5, Rs.7.50
B)  Rs. 8, Rs. 12
C)  Rs. 12, Rs. 14
D)  Rs. 16, Rs. 10

Explanation:
Q 2.

The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs.90 per day. During the first 7 days, his average wages was Rs.87/day and the average wages during the last 7 days was Rs.92 /day. What was his wage on the 8th day ?

A)  90
B)  92
C)  93
D)  97

Explanation:
Q 3.

The average age of A, B, C, D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42 years. Age of E is ?

A)  42
B)  45
C)  46
D)  48

Explanation:
Q 4.

A cricketer scored some runs in his 21st innings, as a result, his average runs increased by 3. If the present average run is 40, how many runs he scored in the final innings ?

A)  82
B)  85
C)  100
D)  105

Explanation:
Q 5.

The average marks of four subjects is 120. If 33 was misread as 13 during the calculation, what will be the correct average ?

A)  120
B)  121
C)  122
D)  125

Explanation:
Q 6.

The average age of three boys is 15 years. If their ages are in ratio 3:5:7, the age of the youngest boy is ?

A)  9 years
B)  15 years
C)  18 years
D)  21 years

Explanation:
Q 7.

When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students ?

A)  57
B)  56.8
C)  58.2
D)  51

Explanation:
Q 8.
The average wages of a worker during a fortnight comprising 15 consecutive working days was Rs.90 per day. During the first 7 days, his average wages was Rs.87/day and the average wages during the last 7 days was Rs.92 /day. What was his wage on the 8th day ?
A)  90
B)  92
C)  83
D)  97

Explanation:
Q 9.

There are two sections A and B of a class, consisting of 36 and 44 students respectively. If the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class.

A)  35 kg
B)  30 kg
C)  37.25 kg
D)  42.5 kg

Explanation:
Q 10.

The average of runs of a cricket player of 10 innings was 32. How many runes must be made in his next innings so as to increase his average of runs by 4 ?

A)  70
B)  72
C)  74
D)  76