Four mark example problems — task. Mathematics State Board, Class 8.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. If the length and breadth of a rectangular painting are

$4xy^3$ and

$3x^2y$ . Find its area.

Answer:

Area

$=$

2. Ram deposited '

$x$ ' number of

$₹2000$ notes, '

$y$ ' number of

$₹500$ notes, '

$z$ ' number of

$₹100$ notes in a bank and Velan deposited '

$3xy$ ' times of amount of what Ram had deposited. How much amount did Velan deposit in the bank?

Answer:

Amount deposited by Velan

$= ₹$

Answer variants:

$6000 x^{2} y + 1500 x y^{2} + 300 xyz$

$12 x^{3} y^{4} sq . units$

$6000 x^{2} y + 150 y^{2} + 30 yz$

$12 x^{2} y^{3}$

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12. Four mark example problems