# Go For Exams

Q 131.
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 132.

The average of 20 students is 12 years, if the teacher’s age is included, average increases by one. The age of the teacher is:

A)  28 yrs
B)  30 yrs
C)  33 yrs
D)  35 yrs

Explanation:
Q 133.

A passenger travels from Delhi to Meerut at a speed of 30 kmph and return with a speed of 60 kmph. What is the average speed ?

A)  40
B)  45
C)  48
D)  50

Explanation:
Q 134.

The average income of A, B and C is Rs. 12,000 per month and average income of B, C and D is Rs. 15,000 per month. If the average salary of D be twice that of A, then the average salary of B and C is in Rs. :

A)  8,000
B)  18,000
C)  13,500
D)  9,000

Explanation:
Q 135.

A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is :

A)  450 paise
B)  500 paise
C)
D)

Explanation:
Q 136.

There are three categories of jobs A, B and C. The average salary of the student who got the job of A and B categories is 26 lakh per annum. The average salary of the students who got the job of B and C category is 44 lakh per annum and the average salary of those students who got the job of A and C categories is 34 lakh per annum. The most appropriate (or closet) range of average salary of all the three categories (if it is known that each student gets only one category of jobs i.e. , A, B and C) ?

A)
B)  Lies between 28 and 34
C)  Lies between 34 and 44
D)  Lies between 27 and 44

Explanation:
Q 137.

The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is ?

A)  50
B)  60
C)  65
D)  70

Explanation:
Q 138.

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 139.

A man started his journey from Lucknow to Kolkata, which is 200 km, at the speed of 40 kmph then he went to Banglore which is 300 km, at the speed of 20 kmph. Further he went to Ahmedabad which is 500 km, at the speed of 10 kmph. The average speed of the man is ?

A)  14(2/7) kmph
B)  14(5/7) Kmph
C)  15.6 kmph
D)  16.1 kmph