Q 1: Find the value of the expression 7x+9, when x=4. 28 27 35 37

Q 2: In a quadrilateral, three angles are 55degrees, 65degrees and 105 degrees, what is the fourth angle. 135 degrees 120 degrees 130 degrees 125 degrees

Q 3: The ________ of a triangle is the point of concurrence of the altitudes of the triangle. Orthocentre Excentre

Q 4: The diagonals of a rhombus are equal. True False

Q 5: Always lie outside the triangle are _____. The incentres The excentres

Q 6: Find the additive inverse of (-3x^{2}+7x+9). 3x^{2}-7x+9 3x^{2}+7x-9 3x^{2}-7x-9 None of these

Q 7: In a square the diagonals bisect at right angle. True False

Q 8: If the length, breadth and height of a room are 16cm., 20 cm. and 6cm. respectively find the total area of four walls. 432 Sq. cm. 422 Sq. cm. 400 Sq. cm. 442 Sq. cm.

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