Teachoo MCQ Test

Assertion Reasoning Quiz

Preparing for CBSE

Chapter 3 Class 8 - Proportional Reasoning-2 (Ganita Prakash II) | 7 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 672
Question 1 of 7
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Question 1 of 7
Assertion (A): The sector angles of a complete pie chart add to 360°.
Reason (R): Every radius of a circle has the same length.
Select one option. Answers are shown after the test.
Question 2 of 7
Assertion (A): At a fixed unit price, number of pencils and total cost are directly proportional.
Reason (R): For one fixed job, number of workers and days are inversely proportional.
Select one option. Answers are shown after the test.
Question 3 of 7
Assertion (A): The ratios 6 : 3 and 4 : 2 are proportional.
Reason (R): Their cross-products are equal: 6 × 2 = 3 × 4.
Select one option. Answers are shown after the test.
Question 4 of 7
Assertion (A): RF 1 : 50 means 1 cm on a plan represents 50 m on the ground.
Reason (R): The two quantities in an RF must first be expressed in the same unit.
Select one option. Answers are shown after the test.
Question 5 of 7
Assertion (A): If 20 workers finish a job in 4 days, 10 equally efficient workers need 8 days.
Reason (R): Both teams perform 80 worker-days of work.
Select one option. Answers are shown after the test.
Question 6 of 7
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 7 of 7
Assertion (A): Eight workers who work 5 days and then continue as six workers finish a 120 worker-day job after only 10 more days.
Reason (R): After the first 5 days, 80 worker-days remain, so six workers require 13 1/3 more days.
Select one option. Answers are shown after the test.