Question

2. Problem Solving.
1) If a train can run 47.5 km in one hour, how long does it travel in 7 hours ?
2) If the length of a chiffon saree is 5.75 meters, find the total length of 18 such sarees.
3 )If one drum can hold 36.85 litres of oil, how many litres can 18 such drums hold ?
4) If a tin of chocolate weighs 1.250 kg, find the weight of 78 tins of chocolate.
5) A bar of silver weighs 5.47 kg. A man wanted to buy 35 such bars of silver. What is the total weight ? ​

Answer 1

Step-by-step explanation:

1) In 1 hr the train can run = 47.5 km

•°• In 7 hrs the train can run = 47.5 × 7 = 332.5 km.

2) the lenght of 1 saree is = 5.75 m

•°• the lenght of 18 sarees are = 5.75 × 18 = 103.5 m.

3) 1 drum can hold = 36.85 l

•°• 18 drums can hold = 36.85 × 18 = 663.8 l.

4) 1 tin of chocolate weighs = 1.250 kg

•°• 78 tins of chocolate weighs = 1.250 × 78 = 97.5 kg.

5) 1 bar of silver weighs = 5.47 kg

•°• 35 bars of silver weighs = 5.47 × 35 = 191.45 kg.