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Maths Proportional Reasoning-1 - Chapter 7 Class 8 (Ganita Prakash) MCQ and Assertion Questions

Short Quiz · Class 8 · Maths · CBSE

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Chapter 7 Class 8 - Proportional Reasoning-1 (Ganita Prakash) | 5 questions | about 4 minutes

Practise Proportional Reasoning-1 - Chapter 7 Class 8 (Ganita Prakash) with Teachoo's Short Quiz (Class 8 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 5

Question 1 of 5

Assertion (A): If 15 kg of rice serves 120 students, 10 kg serves 80 students at the same rate.
Reason (R): Both students and rice are multiplied by \(\frac23\).

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 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): Tea priced at ₹200 for 200 g is more expensive than tea priced at ₹800 per kg.
Reason (R): The two teas are sold in different states.

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): In the table, sachet volume-to-price and large-bottle volume-to-price are not proportional.
Reason (R): The cross products are unequal: \(6\times540=3,240\) but \(2\times1,000=2,000\).

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

Using the table, which images have the same width-to-height ratio as Image A?

Dimensions of five images
Image	Width (mm)	Height (mm)
A	60	40
B	40	20
C	30	20
D	90	60
E	60	60

A B and C B B and E C C and D D D and E

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