- A triangle ABC is right-angled at B, If sin(A - C) = 0 then the
value of 2A + C is
(a) 90 0
(b) 135 0
(c) 145 0
(d) 180 0
- What must be subtracted from the
polynomial
resulting polynomial is exactly divisible by x2-4x+3.
(a) 2x – 3 (b) 2x + 3
(c) 3x +2
(d) none
- If one root of the
is polynomia reciprocal of the other, then the value of k is
(a) 0 (b) 5
(c)1/6
(d) 6
- If the mean and median of a set of numbers are 8.9 and 9
respectively, then the mode will be
(a) 7.2
(b) 8.2
(c) 9.2
(d) 10.2
- In the adjoining figure ABC is a right triangle, right angled at B. Ad and CE and the two medians drawn from A and C
respectively. If AC = 5 cm and
cm, find the length
(a) 0
(b) 1
(c) -1
(d) 2
- If cos(α + β ) =0, then sin(α −β ) can be reduced to :
(a) cosβ
(b) cos 2β
(c) sinα
(d) sin 2α
- The value of a and b such that
is divisible by 
give the remainder 3x + 5 (a) a = 5 , b = -7
((b) a = - 5 , b = 7
((c) a = 5, b = 7
((d) none .
- In an isosceles triangle ABC ,If AC = BC and
(a) 450
(b) 60 0
(c) 90 0
(d) 300
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