NCERT Class 9 Solutions: Surface Areas and Volumes (Chapter 13) Exercise 13.5 – Part 1
Get unlimited access to the best preparation resource for ISAT Class-5: Get full length tests using official NTA interface: all topics with exact weightage, real exam experience, detailed analytics, comparison and rankings, & questions with full solutions.

Volumes of Common Solids
Q-1 A matchbox measures. What will be the volume of a packet containing such boxes?
Solution:
Each matchbox measures
Therefore, , and
Volume of one matchbox
Volume of a packet containing such boxes
Q-2 A cuboidal water tank is long, wide and deep. How many litres of water can it hold? ()
Solution:
Dimensions of water tank
Therefore Volume of the tank
Therefore, the tank can hold
[Note that, 1]
Liters of water.
Q-3 A cuboidal vessel is long and wide. How high must it be made to hold cubic metres of a liquid?Solution:
We know that,
Length ,
Breadth
Volume
Volume of cuboid
Therefore, Height =
Q-4 Find the cost of digging a cuboidal pit long, broad anddeep at the rate of
Solution:
We know,
Volume of the pit
Rate of digging is . Therefore, total cost of digging the pit =