Exercise 2.7
1.
Multiply:
a. 473 × 48
b. 4052 × 19
c. 876 × 25
d. 854 × 21
e. 417 × 39
f. 870 × 28
2. Answer
the following:
a. There are 55 mangoes
in a basket. Cost of one mango is ₹15. What is the total cost of 55 mangoes?
Cost of one mango = ₹ 15
The total cost of 55 mangoes = ₹ 55 × 15
The total cost of 55 mangoes = ₹ 825
b. There are 55
passengers in a bus. Each of them gets tickets of ₹25. What is the amount
collected by the conductor?
Fare of one ticket = ₹ 25
Fare of 55 tickets = ₹ 55 × 25
Total amount collected by the conductor = ₹ 1375
c. A classroom has 23
benches. Each bench cost is ₹725. What is the total cast for 23 benches?
Cost of one bench = ₹ 725
Cost of 23 benches = ₹725 × 23
The total cost for 23 benches = ₹ 16675
d. There arc 675 people
living in a village. One person uses 25 L of water daily. How much water is
need for the village every day?
One person needs water = 25 L
675 people need water = 675 × 25L
Water needed for the village every day = 16,875 L
e. In a building, there
are 26 rooms. The cost of painting for one room is ₹950. What is the total cost
of painting the building?
Cost of painting for one room = ₹ 950
Cost of painting for 26 rooms = 950 × 26
Total cost of painting the building = ₹ 24,700
Answer:
Exercise 2.7
1. a) 22,704 b) 76,988 c) 21,900 d) 17,934 e) 16,263 f) 24,360
2. a. Rs. 825 b. Rs.1375 c. Rs.16,675 d. Rs. 16, 875 e.
Rs.24,700
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