Teachoo MCQ Test

Short Quiz

Preparing for CBSE

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

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 480
Question 1 of 5
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Question 1 of 5
Assertion (A): Food for 80 students for 15 days represents 1200 student-days.
Reason (R): Adding students makes the same food last for more days.
Select one option. Answers are shown after the test.
Question 2 of 5
Assertion (A): Pumps taking 3 hours and 2 hours separately fill 5/6 of a tank together in one hour.
Reason (R): Their time together is 5/6 hour.
Select one option. Answers are shown after the test.
Question 3 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.
Select one option. Answers are shown after the test.
Question 4 of 5
A classroom plan uses the scale 1 : 50. How long should a 4 m wall appear on the plan?
Select one option. Answers are shown after the test.
Question 5 of 5
Assertion (A): For directly proportional quantities x and y, the quotient x/y remains constant.
Reason (R): Multiplying x by a factor multiplies y by the same factor, so the common factor cancels in x/y.
Select one option. Answers are shown after the test.