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Dimensions of the floor of a conference hall are 15 m x 12 m. It is floored with square tiles of side 24cm each if the cost of one

By Sadie

Dimensions of the floor of a conference hall are 15 m x 12 m. It is floored with square tiles of side 24cm each if the cost of one tile is 20 find the total cost of tiles 62’500​

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Sadie

solve the pair of linear equation in two variable by elimination method 2x+3y=12 and 3x+2y=13
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37. Let A = { x1x2 + (m – 1)x – 2(m + 1)=0, x ER}
B = { x1(m – 1)x2 + mx + 1 = 0, x = R}
Number of values of m such that

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