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Question (31)

QN0015657

Simplify: 24k – 8k + k

(A) 17k
(B) 15k
(C) 16k
(D) 32k

Correct Answer: A

Explanation:

24 – 8 + 1 = 17.

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Question (32)

QN0015658

Simplify: 3m + 4n + 5m – n

(A) 8m + 3n
(B) 12mn
(C) 8m + 5n
(D) 2m + 3n

Correct Answer: A

Explanation:

3m + 5m = 8m and 4n – n = 3n.

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Question (33)

QN0015659

Simplify: 32c – 12c – 8c

(A) 20c
(B) 12c
(C) 24c
(D) 16c

Correct Answer: B

Explanation:

32 – 12 – 8 = 12.

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Question (34)

QN0015660

Simplify: 2x + 3y + 5x + 2y

(A) 7x + 5y
(B) 12xy
(C) 10x + 10y
(D) 7xy

Correct Answer: A

Explanation:

Combine x-terms and y-terms separately.

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Question (35)

QN0015661

A fruit seller sells x apples in the morning and 4x apples in the evening. Total apples sold are:

(A) 4x
(B) 5x
(C) x²
(D) 3x

Correct Answer: B

Explanation:

x + 4x = 5x.

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Question (36)

QN0015662

Simplify: 40a – 15a + 10a

(A) 35a
(B) 25a
(C) 65a
(D) 30a

Correct Answer: A

Explanation:

40 – 15 + 10 = 35.

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Question (37)

QN0015663

Simplify: 6r + 8s – 2r + s

(A) 4r + 9s
(B) 14rs
(C) 8r + 7s
(D) 6r + 9s

Correct Answer: A

Explanation:

6r – 2r = 4r and 8s + s = 9s.

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Question (38)

QN0015664

Simplify: 50m – 20m – 5m

(A) 25m
(B) 30m
(C) 35m
(D) 45m

Correct Answer: A

Explanation:

50 – 20 – 5 = 25.

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Question (39)

QN0015665

Why do we simplify algebraic expressions?

(A) To make them longer
(B) To make calculations and interpretation easier
(C) To remove variables completely
(D) To change their values

Correct Answer: B

Explanation:

Simplification makes expressions easier to work with.

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Question (40)

QN0015666

A school purchases p notebooks for one class and 3p notebooks for another class. The total number of notebooks purchased is:

(A) 3p
(B) 4p
(C) p²
(D) 2p

Correct Answer: B

Explanation:

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Question (31)

Simplify: 24k – 8k + k

Explanation:

Link:

Question (32)

Simplify: 3m + 4n + 5m – n

Explanation:

Link:

Question (33)

Simplify: 32c – 12c – 8c

Explanation:

Link:

Question (34)

Simplify: 2x + 3y + 5x + 2y

Explanation:

Link:

Question (35)

A fruit seller sells x apples in the morning and 4x apples in the evening. Total apples sold are:

Explanation:

Link:

Question (36)

Simplify: 40a – 15a + 10a

Explanation:

Link:

Question (37)

Simplify: 6r + 8s – 2r + s

Explanation:

Link:

Question (38)

Simplify: 50m – 20m – 5m

Explanation:

Link:

Question (39)

Why do we simplify algebraic expressions?

Explanation:

Link:

Question (40)

A school purchases p notebooks for one class and 3p notebooks for another class. The total number of notebooks purchased is:

Explanation:

Link:

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