SSC CPO 20 March 2016 Afternoon Shift

Instructions

For the following questions answer them individually

Question 121

A, B and C working separately can do a piece of work in 11 days, 20 days and 55 days respectively. In how many days, the work will be completed if A is assisted by B and C on alternate days ?

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Question 122

The value of the following is: $$\frac{0.2 \times 0.02 \times 0.002 \times 32}{0.4 \times 0.04 \times 0.004 \times 16}$$

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Question 123

If $$ x = \sqrt[3]{7}+3$$ then the value of $$x^{3}-9x^{2}+27x-34$$ is:

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Question 124

In $$\triangle ABC$$ and  $$\triangle PQR$$, $$\angle B=\angle Q, \angle C=\angle R$$. $$M$$ is  the midpoint of side $$QR$$. If $$AB : PQ = 7 : 4$$, then $$\frac{area(\triangle ABC)}{area(\angle PMR)}$$ is:

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Question 125

Given $$2^{2}+4^{2}+6^{2}+........+40^{2} = 11480$$, then the value of $$1^{2}+2^{2}+3^{2}+........+20^{2}$$ is:

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Question 126

The radius of a wire is decreased to one third. If volume remains the same, length will increase by:

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Question 127

If $$\alpha + \theta$$ =  $$\frac{7\pi}{12}$$ and $$\tan \theta = \sqrt{3}$$, then the value of $$\tan \alpha$$ is:

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Question 128

An item is offered for sale at Rs. 250, less by successive discounts of 20% and 15%. The sale price of the item is:

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Question 129

If $$1^{2}+2^{2}+3^{2}+........+p^{2}$$ = $$\frac{p(p+1)(2p+1)}{6}$$, then $$1^{2}+3^{2}+5^{2}+........+17^{2}$$ is equal to:

Video Solution
Question 130

The value of x in the following equation is:
$$0.\dot{3}+0.\dot{6}+0.\dot{7}+0.\dot{8}=x$$

Video Solution
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