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Question (11)

QN0020262

For a fixed sum, the product increases as the numbers become:

(A) More unequal
(B) Closer to each other
(C) Negative
(D) Prime

Correct Answer: B

Explanation:

Product is largest when numbers are as close as possible.

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Question (12)

QN0020263

Which pair with sum 22 has the greatest product?

(A) 5 and 17
(B) 8 and 14
(C) 11 and 11
(D) 10 and 12

Correct Answer: C

Explanation:

11 × 11 = 121.

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Question (13)

QN0020264

The largest product for two positive integers with sum 24 is:

(A) 132
(B) 140
(C) 144
(D) 150

Correct Answer: C

Explanation:

12 × 12 = 144.

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Question (14)

QN0020265

Which pair has a larger product?

(A) 4 and 12
(B) 8 and 8
(C) Same product
(D) Cannot be compared

Correct Answer: B

Explanation:

8 × 8 = 64, while 4 × 12 = 48.

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Question (15)

QN0020266

The product of 8 and 8 is:

(A) 56
(B) 60
(C) 64
(D) 72

Correct Answer: C

Explanation:

8 × 8 = 64.

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Question (16)

QN0020267

If the sum of two numbers is 30, the largest product is:

(A) 200
(B) 210
(C) 225
(D) 240

Correct Answer: C

Explanation:

15 × 15 = 225.

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Question (17)

QN0020268

Which pair of integers gives the largest product when the sum is 15?

(A) 1 and 14
(B) 7 and 8
(C) 3 and 12
(D) 5 and 10

Correct Answer: B

Explanation:

Numbers closest to each other give the maximum product.

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Question (18)

QN0020269

The product of 7 and 8 is:

(A) 54
(B) 55
(C) 56
(D) 57

Correct Answer: C

Explanation:

7 × 8 = 56.

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Question (19)

QN0020270

Which pair gives the greatest product when the sum is 17?

(A) 8 and 9
(B) 7 and 10
(C) 6 and 11
(D) 5 and 12

Correct Answer: A

Explanation:

8 × 9 = 72 is maximum.

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Question (20)

QN0020271

The largest product for sum 17 is:

(A) 70
(B) 71
(C) 72
(D) 73

Correct Answer: C

Explanation:

8 × 9 = 72.

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