1) If 9b+4=15-2b ; b= _____________ . a) -1 b) 1 c) 19/11 d) -11/7 2) If 6x-9=x+6, x is equal to _______________. a) 15/7 b) 3/5 c) 3 d) 3/7 3) Noman's present age is triple than his sister's. 1 year back he was 4 times as old as his sister. If Noman was 7 two years back, what is his sister's present age? a) 1 b) 2 c) 3 d) 4 4) The height of a tree in the year 2000 was 5 m. Assuming that its height increased every year equally at the rate of 10% of its height in 2000, what would have been its height in the year 2004? a) 6 m b) 6.5 m c) 7 m d) 7.5 m 5) If 4z-18=-5z+18, z is equal to _______________. a) 3 b) 4 c) 5 d) 6 6) There are two concentric circles, the radius of the outer circle is triple the inner one. The area of the bigger circle would be ______________ times ______________ than the smaller circle. a) two, larger b) three, larger c) four, larger d) nine, larger 7) If 30-6c+15=8c+3, c is equal to _______________. a) 28 b) 24 c) 3 d) 6 8) Give expression for the following: 21 added to 4(2-5x) a) 4+2-5x+21 b) 8-20x+21 c) 8+20x+21 d) 8-5x+21 9) The area of a square is equal to that of a rectangle. If the perimeter of the rectangle is 26cm, and its breadth is 4 cm, what is the measurement of the side of the square and the length of the rectangle? a) 6 cm, 6cm b) 9 cm, 6 cm c) 9 cm, 9 cm d) 6 cm, 9 cm 10) Give expression for the following: 3rd part of half y a) y/6 b) 2/3 y c) 6y d) 3/2 y 11) Give expression for the following: 25 subtracted from four times z and added to the square of 3. a) z+25+3 b) 4z-25+3 c) 4z-25+9 d) z-25+9 12) If 9d-16=3d-(-2d-4), d is equal to _______________. a) 5 b) 4 c) 3 d) 2 13) The simplified form of 5x-(3x-7x)-12(x+ 2)+7 is _______________. a) -(3x-17) b) -(3x+17) c) -(8x-26) d) -(5x-21) 14) Simplify the following: 17 times of m + 15 -22 times of m -20 a) 5(m+1) b) 5(m-1) c) -5(m-1) d) -5(m+1) 15) If -5a-8a=72-a, a is equal to _______________ a) 6 b) -6 c) 1/6 d) -1/6

Math: Algebra Practice work 2

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