The DAV Class 4 Maths Solutions and DAV Class 4 Maths Chapter 7 Worksheet 4 Solutions of Capacity offer comprehensive answers to textbook questions.
DAV Class 4 Maths Ch 7 WS 4 Solutions
Question 1.
Solve the following word problems:
(a) Three milkmen are separately carrying 36 1 250 ml, 58 1 396 ml and 66 1 324 ml of milk in their containers. Find out what is the total quantity of milk with them.
Answer:
Quantity of milk in one container = 36 l 250ml
Quantity of milk in 2nd container = 58l 396ml
Quantity of milk in 3rd container = 66l 324ml
Total milk in containers = 160 1 970 ml
160 1 970 ml.
(b) A shopkeeper purchased 45 1 500 ml of mineral water. During the day, he sold out 28 1 755 ml water. How much mineral water was left with him?
Answer:
Total quantity of mineral water purchased
Quantity of mineral water sold out = 28 755
Mineral water left = 161 745ml
16 1 745 ml.
(c) Raju mixes 2 1 750 ml of cow’s milk in 7 1 5 ml of buffalo’s milk. How much milk did Raju have in all?
Answer:
Quantity of cow’s milk Raju has = 2l 750ml
Quantity of buffalo’s milk Raju has = 7l 005ml
Total quantity of milk Raju has = 9 l 755 ml
9 l 755 ml.
(d) A barrel can hold 29 1 55 ml of oil. 12 1 94 ml oil was taken out. What is the remaining quantity of oil in the barrel?
Answer:
Capacity of barrel = 29l 055ml
Quantity of oil taken out = – 12l 094ml
Oil left in barrel = 161 961ml
16 l 961 ml.
(e) Ramu’s bucket holds 9 1 350 ml of water and Shalu’s bucket holds 8 1 455 ml of water. Whose bucket holds more water and by how much?
Answer:
As 9 1 350 ml > 8 1 455 ml
Ramu’s bucket holds more water.
Ramu’s bucket hold = 9l 350ml
Shalu’s bucket hold = 8l 455ml
Difference = 01 895 ml
895 ml of water.
DAV Class 4 Maths Chapter 7 Value Based Questions
Question 1.
How much water was wasted due to leakage in the tanker?
Answer:
Water provided = 15000l 000ml
Water received = – 13200l 500ml
Water wasted = 1799l 500 ml
1799l 500 ml of water.
Question 2.
Suggest any two ways by which you can avoid wastage of water in your house.
Answer:
1. Stop leakage of taps in the house.
2. Switch off water motor immediately after the filling of tank.
Word Problems
Question 1.
A milkman sold 29l 595 ml of milk on the first day, 40 1 900 ml on the second day and 56l 890 ml milk on the third day. What is the total quantity of milk sold on three days?
Answer:
We add all the quantities to get the total quantity.
Quantity of milk sold on 1st day = 29l 595ml
Quantity of milk sold on 2nd day = 40l 900ml
Quantity of milk sold on 3rd day = 56l 890ml
Total quantity of milk sold = 127l 385ml
127 l 385 ml.
Question 2.
There was 5 1 890 ml of oil in a can. Rosy used 2l 750 ml of oil for cooking. How much oil is left in the can?
Answer:
We subtract both quantities.
Oil in can = 5l 899ml
Oil used = 2l 750ml
0il left = 3l 140 ml
3l 140 ml oil is left.