a) 50.5 b) 51 c) 51.5 d) 52
2) The points A(9,0), B(9,6), C(-9,6) and D(-9,0) are the vertices of a
a) rectangle b) square c) rhombus d) trapezium
3) Value of tan²30 - 4 sin²45 is
a) 1 b) 7/3 c) -5/3 d) -11/3
4) If cosx= 4/5, then the value of tanx is
a) 3/5 b) 3/4 c) 4/3 d) 5/3
5) If d is the diameter of a circle, then its area is
a) πd² b) πd²/2 c) πd²/4 d) 2πd²
6) If AB=12cm, BC= 16cm and AB is perpendicular to BC, then the radius of the circle passing through the points A, B and C.
a) 6 b) 8 c) 10 d) 12
7) A girl walks 200 towards East and then she than walks 150m towards North. The distance of the girl from the starting point is
a) 350 b) 250 c) 300 d) 225
8) If the length of two sides of an isosceles triangle are 4cm and 10cm, then the length of the third side is
a) 4 b) 10 c) 7 d) 14
9) The value of (log8 - log2)/log 32 is
a) 2/5 1/4 c) -2/5 d) 1/3
10) The value of ⁴√(81)⁻² is
a) 1/9 b) 1/3 c) 9 d) 1/81
11) The roots of the quadratic equation x²- 3x -4=0 are
a) -4,1 b) 4,-1 c) 4,1 d) -4,-1
12) The sum of two natural numbers is 240 and their ratio is 3:5. Then the greater number is
a) 180 b) 160 c) 150 d) 90
13) The solution of the pair of linear equations 2x - y=5 and 5x - y=11 is
-1,2 b) 2,-1 c) 0,-5 d) 5/2,0
14) Factorize: x⁴+ x²y²+ y⁴.
15) If x- 2/x = 3, then x³ - 8/x³ is
a) 27 b) 36 c) 45 d) 54
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