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7th ICSE
IMPORTANT
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If 16a+16b=48, what is the average of a and b?

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Important Questions on Average

MEDIUM
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Revision Exercise>Q 10
The sum of five numbers is 555. The average of the first two is 75 and the third number is 115. What is the average of last two numbers?
MEDIUM
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 1
The average height of 8 girls in a class is 158 cm. If a new girl joins the group, the average heights becomes 157 cm. Find the height of this ninth girl. Write the answer in cm.
EASY
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 2
The average of three numbers is 17. If two of them are 14 and 21. Find the third number.
MEDIUM
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 3
Find the average of first ten odd natural numbers.
MEDIUM
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Mental Maths>Q 4
Find the average of the first five multiples of 2.
HARD
7th ICSE
IMPORTANT
New Mathematics Today Class 7>Chapter 26 - Average>Challenge !>Q 1
A car travelled at 60 km/h for 4 hours and then at 90 km/h for next two hours. If its average speed in A km/h, then find the value of A.