Question

Exercise 4.5
method
Read the following stories carefully and solve them.
1. There is 1350 kg of food material in one container, How many kilograms of food will
375 such containers contain?
2. There are 24 hours in one day. How many hours are there in 365 days? Il a year has
365 days, how many hours are there in 100 years?
One textbook costs 786. What is the cost of 2330 copies of the book?
4. One large packet has 200 balloons. How many balloons are there in 250 packets?
One ticket for a movie at the multiplex costs 280. What is the cost of 1250 tickets?
155 oranges are packed into one carton. How many oranges will be packed into
1550 such cartons
% Asha runs 1750 metres every morning. How many metres will she run in 180 days?
& in a school, one pair of sports uniform costs 645. What is the total cost of 5678 pairs
of sports uniform
9.9780 passengers travel from Mumbai to Chennai by train every day. How many
people travel in a year? (Hint: 1 year - 365 days)
10. 32 mugs of water can fill a cylindrical drum. How many mugs of water are required
to fill 30 drums
H TO
ESTIMATING THE PRODUCT​

Answer 1

Step-by-step explanation:

1 container=1350kg

375 container =(375×1350 )kg

=506250

hours i n one day=24

hours in 365 days=(24×365)hr

=8760 hr

1yr=365days

100yrs=(365×100)days

=36500days

1 day=24 hr

36500days=(24×36500 )hr

=876000hr

cost of 1 text=786

cost of 2330 copies =(786×2330)=1831380rs

1 packet=200 balloons

250 packets=(250×200) balloon

=50000 balloon

1 ticket =280

1250 ticket=(1250×280)

=350000

1 carton=155 orange

1550 carton=(155×1550) carton

=240250 orange

1 morning =1750m

180 morning =(180×1750)m

=315000m

1 sport uniform=645

5678 sport uniform=(645×5678)

=3662310rs

1 day=9780pass.

365days=(365×9780)pass.

=3569700pass.

1 drum=32 mugs

30 drums=(30×32)mugs

=960 mugs

Answer 2

1. There is 1350 kg of food material in one container, How many kilograms of food will

375 such containers contain?