2016 SSC CGL 07 Sep Morning Shift

Instructions

For the following questions answer them individually

Question 61

If a/b + b/a = 1, then the value of $$a^{3} + b^{3}$$ will be

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Question 62

If p = 99, then the value of $$p(p^{2}+3p+3)$$ will be

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Question 63

If a-b=1 and $$a^{3}-b^{3}$$ = 61, then the value of ab will be

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Question 64

If $$\frac{x}{a+b}+1=\frac{x}{a-b}+\frac{a-b}{a+b}$$, then value of $$x$$ is

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Question 65

The point where the 3 medians of a triangle meet is called

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Question 66

ABC is a right angled triangle in which ∠B = 90°. If BD ⊥ AC, AB = 3 cm and BC = 4 cm, then what is the value of BD (in cm)?

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Question 67

Δ ABC is an equilateral triangle and D, E are midpoints of AB and AC respectively. Then the area of Δ ABC : the area of the trapezium BDEC is

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Question 68

In an isosceles triangle ABC, AB=AC, XY parell to BC. If ∠A = 30°, then ∠BXY = 

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Question 69

The value of $$sec^217^\circ-\frac{1}{tan^273^\circ}-sin17^\circ sec73^\circ$$

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Question 70

If x=aCosθCosΦ, y = aCosθSinΦ and z= aSinθ, then the value of $$x^2+ y^2 + z^2$$ is

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