Teachoo MCQ Test

Assertion Reasoning Quiz

Preparing for CBSE

Chapter 1 Class 6 - Patterns in Mathematics (Ganita Prakash) | 6 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 576
Question 1 of 6
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Question 1 of 6
Assertion (A): \(T_9+T_{10}=100\).
Reason (R): \(T_9=45\) and \(T_{10}=55\), which join to form a \(10\times10\) square.
Consecutive triangular numbers form a squareTwo consecutive triangular dot arrangements can be joined to form a square.Pair the 9th and 10th triangular dot figuresT9T10
Select one option. Answers are shown after the test.
Question 2 of 6
Assertion (A): The sum of the first five odd numbers is 25.
Reason (R): The complete graph \(K_4\) has 6 line segments.
Select one option. Answers are shown after the test.
Question 3 of 6
Assertion (A): \(1+7+19=27\), a cube number.
Reason (R): The first three centred hexagonal numbers add to \(3^3\).
Select one option. Answers are shown after the test.
Question 4 of 6
Assertion (A): \(1+2+4+8+16+32=63\).
Reason (R): The sum equals \(2^6\).
Select one option. Answers are shown after the test.
Question 5 of 6
Assertion (A): Stage 5 of the stacked-triangle pattern contains 25 small triangles.
Reason (R): It has five rows containing 5 triangles each.
Stacked triangular tilesThe stage has rows containing the first 5 odd numbers of small triangles.Stacked-triangle stage 5
Select one option. Answers are shown after the test.
Question 6 of 6
Assertion (A): The term after 17 in the odd-number sequence is 19.
Reason (R): Consecutive odd numbers differ by 2.
Select one option. Answers are shown after the test.