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UPSC CAPF AC Paper - I
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A man drives to his office at 60 km/hr and returns home along the same route at 30 km/hr. Find the average speed.

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Important Questions on Average

EASY
UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 12
Find the average of five consecutive even numbers a, b, c, d and e.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 13
A man covers 13 of his journey by train at 60 km/hr, next 13 by bus at 30 km/hr and the rest by cycle at 10 km/hr. Find his average speed during whole journey.
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UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 14
The average marks in English of a class of 24 students is 56. If the marks of three students were misread as 44, 45 and 61 in lieu of the actual marks 48, 59 and 67 respectively, then what would be the correct average?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 15
A person travels from P to Q at a speed of 40 kmph and returns to Q by increasing his speed by 50%. What is his average speed for both the trips?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 16
In a class, the average age of both male and female students together is 18 years. The total age of the 15 female students is 240. How many male students are definitely there in the class?
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UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 17
In a yoga class there were 12 members. Two members left the class and 4 new members joined. If the average age decreased by 4 years and the total age decreased by 2 years, what is the new average age of the class? (in years)
EASY
UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 18
A professional institute's total expenditure on students for a particular course is partly fixed and partly varies linearly with the number of students. The average expense per student is ₹615 when there are 24 students and ₹465 when there are 40 students. What is the average expense when there are 60 students?
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UPSC CAPF AC Paper - I
IMPORTANT
Magical Book on Quicker Maths>Chapter 16 - Average>Exercises>Q 19
The average weight of boys in a class is 45 kg while that of girls is 36 kg. The average weight of the whole class is 42.25 kg. What is the respective ratio between the number of boys and girls in the class?