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Question (1)

QN0029933

Which of the following expressions is equal to 78 − (25 + 13)?

(A) 78 − 25 + 13
(B) 78 + 25 − 13
(C) 78 − 25 − 13
(D) 78 + 25 + 13

Correct Answer: C

Explanation:

Removing brackets preceded by a minus sign changes the signs of all terms inside. Hence, 78 − (25 + 13) = 78 − 25 − 13.

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Question (2)

QN0029934

The value of 48 − 12 × 3 + 6 is:

(A) 114
(B) 18
(C) 42
(D) 96

Correct Answer: B

Explanation:

Apply multiplication first: 12 × 3 = 36. Then 48 − 36 + 6 = 18.

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Question (3)

QN0029935

Which expression has the same value as 35 + 18 − 7?

(A) 18 + 35 − 7
(B) 35 − 18 + 7
(C) 7 + 18 − 35
(D) 35 + 7 − 18

Correct Answer: A

Explanation:

Terms can be rearranged without changing value if their signs remain unchanged.

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Question (4)

QN0029936

A student saves ₹250 every week. After 12 weeks, she spends ₹800 on books. Which expression represents her remaining savings?

(A) 250 × (12 − 800)
(B) 250 + 12 − 800
(C) 250 × 12 − 800
(D) 250 × (12 + 800)

Correct Answer: C

Explanation:

Total savings = 250 × 12. Subtract ₹800 spent on books.

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Question (5)

QN0029937

Which of the following is greater?

(A) 999 + 205
(B) 1000 + 203
(C) Both are equal
(D) Cannot be determined

Correct Answer: A

Explanation:

First expression has 1 less in the first addend but 2 more in the second. Net increase = 1.

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Question (6)

QN0029938

The value of 72 − (18 − 7) is:

(A) 47
(B) 61
(C) 53
(D) 65

Correct Answer: B

Explanation:

72 − (18 − 7) = 72 − 18 + 7 = 61.

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Question (7)

QN0029939

Which property is used in 9 × (14 + 6) = 9 × 14 + 9 × 6?

(A) Associative property of addition
(B) Commutative property of multiplication
(C) Distributive property
(D) Identity property

Correct Answer: C

Explanation:

Multiplication is distributed over addition.

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Question (8)

QN0029940

Ravi earns ₹18,000 per month and spends ₹11,500 per month. How much does he save in 10 months?

(A) ₹65,000
(B) ₹75,000
(C) ₹6,500
(D) ₹180,000

Correct Answer: A

Explanation:

Monthly saving = 18,000 − 11,500 = 6,500. In 10 months = 65,000.

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Question (9)

QN0029941

Which expression is equivalent to 4 × (25 + 17)?

(A) 4 × 25 + 17
(B) 4 × 25 + 4 × 17
(C) 25 + 4 × 17
(D) 4 + 25 + 17

Correct Answer: B

Explanation:

Apply the distributive property.

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Question (10)

QN0029942

The value of 150 − 24 ÷ 6 × 5 is:

(A) 130
(B) 126
(C) 25
(D) 145

Correct Answer: A

Explanation:

24 ÷ 6 = 4, then 4 × 5 = 20. Hence 150 − 20 = 130.

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Question (1)

Which of the following expressions is equal to 78 − (25 + 13)?

Explanation:

Link:

Question (2)

The value of 48 − 12 × 3 + 6 is:

Explanation:

Link:

Question (3)

Which expression has the same value as 35 + 18 − 7?

Explanation:

Link:

Question (4)

A student saves ₹250 every week. After 12 weeks, she spends ₹800 on books. Which expression represents her remaining savings?

Explanation:

Link:

Question (5)

Which of the following is greater?

Explanation:

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Question (6)

The value of 72 − (18 − 7) is:

Explanation:

Link:

Question (7)

Which property is used in 9 × (14 + 6) = 9 × 14 + 9 × 6?

Explanation:

Link:

Question (8)

Ravi earns ₹18,000 per month and spends ₹11,500 per month. How much does he save in 10 months?

Explanation:

Link:

Question (9)

Which expression is equivalent to 4 × (25 + 17)?

Explanation:

Link:

Question (10)

The value of 150 − 24 ÷ 6 × 5 is:

Explanation:

Link:

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