1 Marks Question

Question 11 Mark

Simplify the numerical expression :
36 – 9 + 2 × 6 – 16

Answer

36 – 9 + 2 × 6 – 16
= (36 + 9) + (2 × 6) – 16
= 4 + 12 – 16
= 16 – 16 = 0
Thus, 36 – 9 + 2 × 6 – 16 = 0.

Question 21 Mark

A school is organizing a field trip for 25 students. Each student need to pay ?200 for the bus, and another ?50 for snacks. How much money will the school collect in total?

Answer

₹ 6250

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Question 31 Mark

A chicken pen held 7 chickens. Each chicken lays 5 eggs a day. How many eggs would they get altogether after 32 days?

Answer

1120 eggs

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Question 41 Mark

Evaluate the following.
(a) 10 – 11 + 12 – 13 + 14 – 15 + 16 – 17 + 18 – 19 + 20
(b) 2 – 2 + 2 – 2 + 2 – 2 + 2 – 2 + 2 – 2

Answer

(a) 15,
(b) 0 .

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Question 51 Mark

Neha bought 5 pencils, the cost of each pencil is ₹ 6, and Rita bought 4 erasers, which cost ₹ 4 each. How much money does they have to spend to buy these items?

Answer

₹ 46

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Question 61 Mark

A farmer has 25 orange trees and 15 apple trees. Each orange tree yields 12 oranges, and each apple tree yields 8 apples. What is the total number of fruits the farmer has?

Answer

420 fruits

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