SSC CGL 2013 Tier 1

Instructions

For the following questions answer them individually

Question 141

If $$cos^4\theta-sin^4\theta=\frac{2}{3}$$, then the value of $$1-2sin^2\theta$$ is,

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Question 142

If $$tan\theta$$ = 3/4 and $$\theta$$ is acute, then $$cosec\theta$$ is equal to

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Question 143

The value of $$\frac{1}{1 + tan^2\theta}$$ + $$\frac{1}{1 + cot^2\theta}$$ is

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Question 144

The selling price of 20 articles is equal to the cost price of 22 articles. The gain percentage is

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Question 145

A man gains10% by selling an article for a cetain price. If he sells it at double the price, then the profit made is

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Question 146

A number increased by $$\frac{75}{2}$$% and the increment is 33. The number is

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Instructions

Directions : The following pie chart shows the marks scored by a student in different subjects- viz. Physics (Ph), Chemistry (Ch), Mathematics (M), Social Science (SS) and English (E) in an examination. Assuming that total marks obtained for the examination is 810, answer the questions given below.

The marks obtained in English, Physics and Social Science exceed the marks obtained in Mathematics and Chemistry by

Question 147

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Question 148

The difference of marks between Physics and Chemistry is same as that between

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Question 149

The marks obtained in Mathematics and Chemistry exceed the marks obtained in Physics and Social Science by

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Question 150

Thu subject in which the student obtained 135 marks is

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