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Chapter 3 Class 8 - Proportional Reasoning-2 (Ganita Prakash II) | 5 questions | about 4 minutes

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Question 1 of 5
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Question 1 of 5
Assertion (A): If x and y are inversely proportional and x = 16 when y = 9, then x = 3 when y = 48.
Reason (R): Both pairs have the same product: 16×9 = 3×48 = 144.
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Question 2 of 5
A classroom plan uses the scale 1 : 50. How long should a 4 m wall appear on the plan?
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Question 3 of 5
Assertion (A): In a class of 40, a grade received by 12 students occupies 120° in a pie chart.
Reason (R): The correct angle is 12/40 × 360° = 108°.
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Question 4 of 5
Assertion (A): The paint ratio 2 : 3 : 5 contains 10 parts altogether.
Reason (R): The angles of a triangle add to 180°.
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Question 5 of 5
Assertion (A): The ratio 8 : 4 : 2 : 1 is proportional to 4 : 2 : 1 : 0.5.
Reason (R): For multi-term ratios, it is enough to scale only the first two terms by the same factor.
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