2016 SSC CGL 10 Sep Tier-1

Instructions

For the following questions answer them individually

Question 61

If PA and PB tangents to a circle with center such that $$\angle APB$$=80° then $$\angle AOP$$ =

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Question 62

If tan (5x - 10°) = cot (5y + 20°), then the value of x + y is

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Question 63

Which one of the following is the minimum value of the sum of two integers whose product is 24?

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Question 64

The average marks obtained by a class of 60 students is 65. The average marks of half of the students is found to be 85. The average marks of the remaining students is

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Question 65

If $$x=\sqrt{a}+\frac{1}{\sqrt{a}},y=\sqrt{a}-\frac{1}{\sqrt{a}}, (a>o)$$ the the value of $$x^{4}+y^4-2x^2y^2$$ is 

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Question 66

If $$x=\sqrt[3]{x^2+11-2}$$ then the value of $$x^{3}+5x^{2}+12x$$ is 

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Question 67

Which of the set of three sides can't form a triangle?

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Question 68

AB is the diameter of a circle with center O and P be a point on its circumference if $$\angle POA$$ = 120° then the value of $$\angle PBO$$ is 

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Question 69

A pilot in an aeroplane at an altitude of 200 m observes two points lying on either side of a river. If the angles of depression of the two points be 45° and 60°, then the width of the river is

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Question 70

A solid sphere of radius 9 cm is melted to form a sphere of radius 6 cm and a right circular cylinder of same radius. The height of the cylinder so formed is ?

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