SSC CGL Tier-2 30-November-2016 Maths

Instructions

For the following questions answer them individually

SSC CGL Tier-2 30-November-2016 Maths - Question 91


The value of 8$$(sin6\theta+cos6\theta)-(sin4\theta+cos4\theta)$$ is equal to

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SSC CGL Tier-2 30-November-2016 Maths - Question 92


An aeroplane flying horizontally at a height of 3 Km. above the ground is observed at a certain point on earth to subtend an angle of 60°. After 15 sec flight, its angle of elevation is changed to 30°. The speed of the aeroplane (taking √3 = 1.732) is

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SSC CGL Tier-2 30-November-2016 Maths - Question 93


- If the angle of elevation of the sun decreases from $$45^\circ$$to $$30^\circ$$, then the length of the
shadow of a pillar increases by 60m. The height of the pillar is

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SSC CGL Tier-2 30-November-2016 Maths - Question 94


- The angle of elevation of the top of a tower, vertically erected in the middle of a paddy field, from two points on a horizontal line through the foot of the tower are given to be α and β (α>β). The height of the tower is h unit. A possible distance (in the same unit) between the points is

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SSC CGL Tier-2 30-November-2016 Maths - Question 95


- The angle of elevation of the top of an unfinished pillar at a point 150 metres from its base is 30°. The height (in metres) that the pillar must be raised so that its angle of elevation at the same point may be 45°, is (takeing √3 = 1.732)

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SSC CGL Tier-2 30-November-2016 Maths - Question 96


What is the difference between the total sale of English newspapers and the total sale of Hindi newspapers in all the localities together.

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SSC CGL Tier-2 30-November-2016 Maths - Question 97


What is the average of difference of sales of Hindi and English newspapers in all localities ?

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SSC CGL Tier-2 30-November-2016 Maths - Question 98


What is the approximate sum of the ratios of sales of English and Hindi newspapers in all localities ?

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SSC CGL Tier-2 30-November-2016 Maths - Question 99


What is the ratio of average number of English newspapers from the localities B, C and E to the average number of Hindi newspapers from the localities A and D

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SSC CGL Tier-2 30-November-2016 Maths - Question 100


What is the ratio of the average number of sale of English newspapers in localities B and D together to the average sale of Hindi newspapers in all the localities ?

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