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Question (11)

QN009219

Evaluate: (–8) × 7

(A) 56
(B) –56
(C) –15
(D) 15

Correct Answer: B

Explanation:

Negative × positive = negative.

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Question (12)

QN009220

Evaluate: (–13) × (–6)

(A) –78
(B) 78
(C) –19
(D) 19

Correct Answer: B

Explanation:

Negative × negative = positive.

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Question (13)

QN009221

Which expression is equal to 14?

(A) (–7) × 2
(B) (–7) × (–2)
(C) 7 × (–2)
(D) –14 × 1

Correct Answer: B

Explanation:

–7 × –2 = 14

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Question (14)

QN009222

Evaluate: 0 – (–21)

(A) –21
(B) 0
(C) 21
(D) –1

Correct Answer: C

Explanation:

Subtracting a negative means adding a positive.

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Question (15)

QN009223

A submarine is at –120 m below sea level. It rises by 45 m. Its new position is:

(A) –165 m
(B) –75 m
(C) 75 m
(D) 165 m

Correct Answer: B

Explanation:

–120 + 45 = –75

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Question (16)

QN009224

Which of the following illustrates “a debt plus a debt is a debt”?

(A) (–4) + 7
(B) 5 + 3
(C) (–6) + (–2)
(D) (–9) – (–3)

Correct Answer: C

Explanation:

Sum of two negative integers is negative.

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Question (17)

QN009225

Evaluate: –24 ÷ 6

(A) 4
(B) –4
(C) –30
(D) 30

Correct Answer: B

Explanation:

Negative ÷ positive = negative.

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Question (18)

QN009226

Evaluate: (–48) ÷ (–6)

(A) –8
(B) 8
(C) –42
(D) 42

Correct Answer: B

Explanation:

Negative ÷ negative = positive.

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Question (19)

QN009227

Which integer lies exactly midway between –9 and 3?

(A) –6
(B) –3
(C) 0
(D) 6

Correct Answer: B

Explanation:

Average = (–9 + 3)/2 = –3

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Question (20)

QN009228

If a person removes 5 debts of ₹100 each, the net effect is:

(A) ₹500 debt
(B) ₹500 gain
(C) ₹100 gain
(D) Zero

Correct Answer: B

Explanation:

Removing debts increases wealth by ₹500.

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Question (11)

Evaluate: (–8) × 7

Explanation:

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Question (12)

Evaluate: (–13) × (–6)

Explanation:

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Question (13)

Which expression is equal to 14?

Explanation:

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Question (14)

Evaluate: 0 – (–21)

Explanation:

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Question (15)

A submarine is at –120 m below sea level. It rises by 45 m. Its new position is:

Explanation:

Link:

Question (16)

Which of the following illustrates “a debt plus a debt is a debt”?

Explanation:

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Question (17)

Evaluate: –24 ÷ 6

Explanation:

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Question (18)

Evaluate: (–48) ÷ (–6)

Explanation:

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Question (19)

Which integer lies exactly midway between –9 and 3?

Explanation:

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Question (20)

If a person removes 5 debts of ₹100 each, the net effect is:

Explanation:

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