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Chapter 6 Class 8 - We Distribute yet things Multiply (Ganita Prakash) | 5 questions | about 4 minutes

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Question 1 of 5
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Question 1 of 5
Assertion (A): \(5(x+2)=5x+10\).
Reason (R): A factor outside a bracket multiplies every term inside it.
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Question 2 of 5
Assertion (A): \((a-b)(a^2+ab+b^2)=a^3-b^3\).
Reason (R): Expanding the left side leaves \(a^3+b^3\).
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Question 3 of 5
Both factors in \(23\times27\) are increased by 1. By how much does the product increase?
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Question 4 of 5
Assertion (A): \((a+b)^2=a^2+2ab+b^2\).
Reason (R): \(a^2-b^2=(a+b)(a-b)\).
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Question 5 of 5
Assertion (A): For the park plan shown, the tiled path area is \(8w(g+w)\).
Reason (R): It is the outer rectangle area \((2g+4w)(g+2w)\) minus the two green areas \(2g^2\).
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