Teachoo MCQ Test

Short Quiz

Preparing for CBSE

Chapter 6 Class 8 - We Distribute yet things Multiply (Ganita Prakash) | 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): In every \(2\times2\) calendar block, one diagonal product exceeds the other by 7.
Reason (R): \((a+1)(a+7)-a(a+8)=7\).
Select one option. Answers are shown after the test.
Question 2 of 5
Assertion (A): \(-3p(-5p+2q)=15p^2-6pq\).
Reason (R): The product of two negative terms is negative.
Select one option. Answers are shown after the test.
Question 3 of 5
Assertion (A): \((a+b)^2=a^2+2ab+b^2\).
Reason (R): \(a^2-b^2=(a+b)(a-b)\).
Select one option. Answers are shown after the test.
Question 4 of 5
A product is \(18\times25\). The first factor is increased by 2 and the second is decreased by 3. How does the product change?
Select one option. Answers are shown after the test.
Question 5 of 5
Assertion (A): The square of every even integer is divisible by 4.
Reason (R): The product of two consecutive integers is even.
Select one option. Answers are shown after the test.