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Question (1)

QN0019972

What is meant by inverse proportion?

(A) Two quantities increase together
(B) Two quantities decrease together
(C) One quantity increases while the other decreases so that their product remains constant
(D) Two quantities are always equal

Correct Answer: C

Explanation:

In inverse proportion, the product of the two quantities remains constant.

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Question (2)

QN0019973

Which of the following pairs is most likely to be in inverse proportion?

(A) Number of books and their cost
(B) Distance travelled and time taken at constant speed
(C) Number of workers and time taken to complete the same work
(D) Side of a square and its perimeter

Correct Answer: C

Explanation:

More workers require less time for the same work.

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Question (3)

QN0019974

If 4 workers complete a task in 15 days, how many days will 10 workers take to complete the same task?

(A) 4 days
(B) 5 days
(C) 6 days
(D) 8 days

Correct Answer: C

Explanation:

4 × 15 = 10 × x, so x = 6 days.

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Question (4)

QN0019975

In an inverse proportion, the product of corresponding values is:

(A) Zero
(B) Variable
(C) Constant
(D) Negative

Correct Answer: C

Explanation:

The product remains constant in inverse proportion.

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Question (5)

QN0019976

If 8 taps fill a tank in 12 hours, how long will 6 similar taps take?

(A) 14 hours
(B) 16 hours
(C) 18 hours
(D) 20 hours

Correct Answer: B

Explanation:

8 × 12 = 6 × x, so x = 16 hours.

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Question (6)

QN0019977

Which equation represents inverse proportion?

(A) y = kx
(B) y = x + k
(C) xy = k
(D) y = x²

Correct Answer: C

Explanation:

In inverse proportion, xy remains constant.

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Question (7)

QN0019978

If 12 machines produce an order in 20 days, how many days will 15 machines take?

(A) 14 days
(B) 16 days
(C) 18 days
(D) 24 days

Correct Answer: B

Explanation:

12 × 20 = 15 × x, so x = 16 days.

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Question (8)

QN0019979

A journey takes 9 hours at a speed of 40 km/h. At 60 km/h, the time taken will be:

(A) 5 hours
(B) 6 hours
(C) 7 hours
(D) 8 hours

Correct Answer: B

Explanation:

40 × 9 = 60 × x, so x = 6 hours.

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Question (9)

QN0019980

Two quantities are inversely proportional if:

(A) Their sum remains constant
(B) Their difference remains constant
(C) Their product remains constant
(D) Their ratio remains constant

Correct Answer: C

Explanation:

Product remains constant.

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Question (10)

QN0019981

If 5 workers take 24 days to finish a job, 8 workers will take:

(A) 12 days
(B) 15 days
(C) 18 days
(D) 20 days

Correct Answer: B

Explanation:

5 × 24 = 8 × x, so x = 15 days.

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Question (1)

What is meant by inverse proportion?

Explanation:

Link:

Question (2)

Which of the following pairs is most likely to be in inverse proportion?

Explanation:

Link:

Question (3)

If 4 workers complete a task in 15 days, how many days will 10 workers take to complete the same task?

Explanation:

Link:

Question (4)

In an inverse proportion, the product of corresponding values is:

Explanation:

Link:

Question (5)

If 8 taps fill a tank in 12 hours, how long will 6 similar taps take?

Explanation:

Link:

Question (6)

Which equation represents inverse proportion?

Explanation:

Link:

Question (7)

If 12 machines produce an order in 20 days, how many days will 15 machines take?

Explanation:

Link:

Question (8)

A journey takes 9 hours at a speed of 40 km/h. At 60 km/h, the time taken will be:

Explanation:

Link:

Question (9)

Two quantities are inversely proportional if:

Explanation:

Link:

Question (10)

If 5 workers take 24 days to finish a job, 8 workers will take:

Explanation:

Link:

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