Short Quiz

Question 1 of 5

What is \(24:36\) in its simplest form?

A 3 : 4 B 2 : 3 C 4 : 5 D 12 : 18

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Question 2 of 5

Assertion (A): A 40 kg sand-cement mixture in the ratio \(3:1\) needs 4 kg more cement to become \(5:2\).
Reason (R): The new mixture needs 12 kg cement, while the original has 10 kg.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 3 of 5

Assertion (A): \(24:36\) simplifies to \(2:3\).
Reason (R): Both 24 and 36 are even numbers.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 4 of 5

Assertion (A): For a fixed journey, the situation cannot be modelled as \(50:2::75:x\) for speed and time.
Reason (R): A higher speed makes the same journey take more time.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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Question 5 of 5

Assertion (A): Rectangles of sizes 60 mm × 40 mm and 90 mm × 60 mm are proportional.
Reason (R): Both rectangles have one dimension equal to 60 mm.

A Both A and R are true, and R is the correct explanation of A. B Both A and R are true, but R is not the correct explanation of A. C A is true, but R is false. D A is false, but R is true.

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