SSC CGL Tier-2 9-March-2018 Maths Shift-2

Instructions

For the following questions answer them individually

Question 11

Which of the following statement(s) is/are TRUE?
I. $$\sqrt{625}+\sqrt[4]{1296}+\sqrt{1024}>90$$

II. $$\sqrt[3]{(\sqrt{729})}+\sqrt[4]{(\sqrt{256})}=5$$

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Question 12

Which of the following statement(s) is/are TRUE?
I. $$\surd1+\surd2+\surd3+\surd4+\surd5+\surd6>10$$

II. $$\surd(10)+\surd(12)+\surd(14)>3\surd(12)$$

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Question 13

If $$y^2 = y + 7$$, then what is the value of $$y^3$$?

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Question 14

If $$f(x) = (x - 2)(x^2 + Px + 4)$$ and $$(x - 3)$$ is a factor of $$f(x)$$, then what is the value of $$P$$?

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Question 15

If $$\left[x - \left(\frac{1}{x}\right)\right] = 2$$, then what is the value of $$\left[x^6 - \left(\frac{1}{x^6}\right)\right]$$?

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Question 16

$$x, y$$ and $$z$$ all are positive number. If $$3^x > 9^y$$ and $$2^y > 4^z$$, then which of the following is TRUE?

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Question 17

If $$x = \left(\frac{1}{8}\right)$$, which of the following has the largest values?

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Question 18

If $$X = \frac{1}{1+\frac{1}{1+X}}$$ and $$Y = \frac{2}{2+\frac{1}{1+Y}}$$, then which of the following can be the value of $$X+Y$$

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Question 19

If $$P = 2^{29}\times3^{21} \times 5^8,Q = 2^{27} \times 3^{21} \times 5^8, R = 2^{26} \times 3^{22} \times 5^8$$ and $$S = 2^{25} \times 3^{22} \times 5^9$$, then which of the following is TRUE?

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Question 20

If $$A = 125$$ and $$B = 8$$, then what is the value of 

$$(A + B)^3 - (A - B)^3 - 6B(A^2 - B^2)$$?

Video Solution
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