Page 71 - Maths Skill - 3

Multiplication 69

Let’s Attempt

Example 1: There are 6 wheels in a bus. How many wheels will Th H T O
there be in 235 such buses? 2 3 5
Solution: Number of wheels in 1 bus = 6 × 6

Number of wheels in 235 buses = 235 × 6 = 1410 1 4 1 0

Thus, 235 buses will have 1410 wheels.
Example 2: A box has a dozen chocolates. How many chocolates H T O
are there in 47 such boxes? 4 7

Solution: 1 dozen = 12 × 1 2
Number of chocolates in 1 box = 12 4 9 4
0
7
Number of chocolates in 47 boxes = 47 × 12 = 564 5 6 4
Thus, there are 564 chocolates in 47 boxes.

Example 3: The number of seats in a aeroplane is 148. How many Th H T O
people can travel in 16 such aeroplanes? 1 4 8

Solution: Number of seats in each aeroplane = 148 × 1 6
Number of aeroplanes = 16 1 8 8 8
8
4
0
Number of seats in 16 aeroplanes = 148 × 16 = 2368 2 3 6 8
Thus, 2368 people can travel in 16 such aeroplanes.

Exercise 5.8

1. There are 271 mangoes in a basket. How many mangoes are there in 5 such baskets?

2. Rahul can move 63 steps in a minute. How many steps can he move in 15 minutes?

3. A vendor can sell 1779 eggs in one day. How many eggs can be sold in 4 days?

4. In a society, a block has 172 flats. How many flats will 15 such blocks have?
5. Mehak reads 15 pages of a book in 1 hour. How many pages will she read in

23 hours?
6. The heart beats 72 times in a minute. How many times does it beat in 72 minutes?

7. A bag of wheat weighs 24 kg. What is the total weight of 125 such bags?

8. The cost of a pen set is ` 234. Find the cost of 15 such sets.

9. There are 42 buses in a stand. Each bus has 52 seats in it. How many passengers can
travel in 42 buses?
10. A factory produces 325 milk cans in an hour. How many milk cans will it produce

in 21 hours?