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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): \((x-4)^2=x^2-8x+16\).
Reason (R): The middle term in \((x-4)^2\) is \(-4x\).
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Question 2 of 5
Assertion (A): In every \(2\times2\) calendar block, one diagonal product exceeds the other by 7.
Reason (R): \((a+1)(a+7)-a(a+8)=7\).
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Question 3 of 5
Assertion (A): \((p+q)(p-q)=p^2+q^2\).
Reason (R): \((p+q)(p-q)=p^2-q^2\).
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Question 4 of 5
Both factors in \(23\times27\) are increased by 1. By how much does the product increase?
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Question 5 of 5
Which is the correct expansion of \(7(x+3)\)?
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