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Question (1)

QN0032775

A shopkeeper packs 25 notebooks in each box. If there are 18 boxes, how many notebooks are packed altogether?

(A) 425
(B) 440
(C) 450
(D) 475

Correct Answer: C

Explanation:

25 × 18 = 450.

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Question (2)

QN0032776

Which of the following wastes is best suited for making compost?

(A) Glass pieces
(B) Plastic wrappers
(C) Vegetable peels
(D) Aluminium foil

Correct Answer: C

Explanation:

Vegetable peels are biodegradable and are used for making compost.

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Question (3)

QN0032777

Find the product using a suitable multiplication strategy: 49 × 12

(A) 578
(B) 588
(C) 598
(D) 608

Correct Answer: B

Explanation:

50 × 12 − 12 = 600 − 12 = 588.

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Question (4)

QN0032778

Which statement is always true in multiplication?

(A) Changing the order of the factors changes the product.
(B) Doubling one factor and halving the other keeps the product the same.
(C) Multiplying by 10 decreases the number.
(D) Every product is greater than both factors.

Correct Answer: B

Explanation:

Doubling one factor and halving the other keeps the product unchanged.

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Question (5)

QN0032779

A gardener prepares 14 kg of compost every week. How much compost is prepared in 9 weeks?

(A) 116 kg
(B) 124 kg
(C) 126 kg
(D) 136 kg

Correct Answer: C

Explanation:

14 × 9 = 126 kg.

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Question (6)

QN0032780

Which number should replace the blank? 13 × 8 = 104, 13 × 9 = 117, 13 × 10 = ____

(A) 120
(B) 126
(C) 130
(D) 140

Correct Answer: C

Explanation:

Add 13 to 117. The answer is 130.

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Question (7)

QN0032781

Which multiplication is easiest to solve using the nearest multiple strategy?

(A) 64 × 99
(B) 27 × 15
(C) 19 × 17
(D) 32 × 11

Correct Answer: A

Explanation:

Since 99 is close to 100, use 64 × 100 − 64.

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Question (8)

QN0032782

A number is multiplied by 100. Which change takes place?

(A) One zero is added to the number.
(B) Two zeros are added to the number if it is a whole number.
(C) The number becomes half.
(D) The digits are reversed.

Correct Answer: B

Explanation:

Multiplying a whole number by 100 shifts it two places to the left.

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Question (9)

QN0032783

Find the value of 125 × 16.

(A) 1,800
(B) 1,900
(C) 2,000
(D) 2,100

Correct Answer: C

Explanation:

125 × 16 = 250 × 8 = 500 × 4 = 1000 × 2 = 2000.

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Question (10)

QN0032784

Which of the following is not biodegradable?

(A) Dry leaves
(B) Banana peel
(C) Plastic bottle
(D) Fruit waste

Correct Answer: C

Explanation:

Plastic does not decompose naturally.

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Question (1)

A shopkeeper packs 25 notebooks in each box. If there are 18 boxes, how many notebooks are packed altogether?

Explanation:

Link:

Question (2)

Which of the following wastes is best suited for making compost?

Explanation:

Link:

Question (3)

Find the product using a suitable multiplication strategy: 49 × 12

Explanation:

Link:

Question (4)

Which statement is always true in multiplication?

Explanation:

Link:

Question (5)

A gardener prepares 14 kg of compost every week. How much compost is prepared in 9 weeks?

Explanation:

Link:

Question (6)

Which number should replace the blank? 13 × 8 = 104, 13 × 9 = 117, 13 × 10 = ____

Explanation:

Link:

Question (7)

Which multiplication is easiest to solve using the nearest multiple strategy?

Explanation:

Link:

Question (8)

A number is multiplied by 100. Which change takes place?

Explanation:

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Question (9)

Find the value of 125 × 16.

Explanation:

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Question (10)

Which of the following is not biodegradable?

Explanation:

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