Q 3: Write the coefficient of x in (5/8)x. 5/8 8/5

Q 4: If the length, breadth and height of a room are 16cm., 20 cm. and 6cm. respectively find the total area of four walls. 442 Sq. cm. 432 Sq. cm. 400 Sq. cm. 422 Sq. cm.

Q 5: Using formula, find the value of 9.2 * 8.8. 80.46 80.06 80.96 86.94

Q 6: Ö1521 + Ö625 = _____? 64 66 62 68

Q 7: Express, 35a^{2}+45ab as product of factors. 5a(7a+9b) 5b(7a+9b)

Q 8: Divide, 16x^{3}-46x^{2}+39x-9 by (8x-3). 2x^{2}+5x-3
2x^{2}+5x+3
2x^{2}-5x+3

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