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Question (1)

QN0019233

In a ratio of the form a : b, what does it mean?

(A) a is greater than b
(B) For every a units of first quantity, there are b units of second quantity
(C) a + b is fixed
(D) a and b are equal

Correct Answer: B

Explanation:

A ratio compares two quantities. For every a units of the first quantity, there are b units of the second quantity.

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Question (2)

QN0019234

The numbers in a ratio are called:

(A) Factors
(B) Variables
(C) Terms
(D) Constants

Correct Answer: C

Explanation:

The numbers in a ratio are called terms.

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Question (3)

QN0019235

The ratio of 60 mm to 40 mm is:

(A) 2 : 3
(B) 3 : 2
(C) 4 : 3
(D) 5 : 2

Correct Answer: B

Explanation:

60 : 40 simplifies to 3 : 2.

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Question (4)

QN0019236

The ratio 30 : 20 in simplest form is:

(A) 2 : 1
(B) 3 : 2
(C) 4 : 3
(D) 5 : 3

Correct Answer: B

Explanation:

Divide both terms by 10.

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Question (5)

QN0019237

Which pair of ratios are proportional?

(A) 12 : 8 and 15 : 10
(B) 9 : 4 and 18 : 10
(C) 8 : 5 and 24 : 20
(D) 7 : 3 and 14 : 9

Correct Answer: A

Explanation:

Both simplify to 3 : 2.

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Question (6)

QN0019238

What is the HCF of 90 and 60?

(A) 10
(B) 20
(C) 30
(D) 40

Correct Answer: C

Explanation:

The HCF of 90 and 60 is 30.

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Question (7)

QN0019239

The simplest form of 45 : 75 is:

(A) 3 : 5
(B) 5 : 3
(C) 9 : 15
(D) 15 : 25

Correct Answer: A

Explanation:

Divide both terms by 15.

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Question (8)

QN0019240

Which symbol is used to show that two ratios are proportional?

(A) =
(B) :
(C) ::
(D) ×

Correct Answer: C

Explanation:

The symbol :: denotes proportion.

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Question (9)

QN0019241

The ratio 48 : 64 in simplest form is:

(A) 4 : 3
(B) 3 : 4
(C) 2 : 3
(D) 1 : 2

Correct Answer: B

Explanation:

Divide both terms by 16.

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Question (10)

QN0019242

Which statement is correct?

(A) Ratios with equal differences are proportional
(B) Ratios with the same simplest form are proportional
(C) All ratios are proportional
(D) Equal numerators imply proportionality

Correct Answer: B

Explanation:

Ratios having the same simplest form are proportional.

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Question (1)

In a ratio of the form a : b, what does it mean?

Explanation:

Link:

Question (2)

The numbers in a ratio are called:

Explanation:

Link:

Question (3)

The ratio of 60 mm to 40 mm is:

Explanation:

Link:

Question (4)

The ratio 30 : 20 in simplest form is:

Explanation:

Link:

Question (5)

Which pair of ratios are proportional?

Explanation:

Link:

Question (6)

What is the HCF of 90 and 60?

Explanation:

Link:

Question (7)

The simplest form of 45 : 75 is:

Explanation:

Link:

Question (8)

Which symbol is used to show that two ratios are proportional?

Explanation:

Link:

Question (9)

The ratio 48 : 64 in simplest form is:

Explanation:

Link:

Question (10)

Which statement is correct?

Explanation:

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