RRB JE 2nd June 2019 Shift-2

Instructions

For the following questions answer them individually

RRB JE 2nd June 2019 Shift-2 - Question 1


Find the standard deviation of first 'n' natural numbers?

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RRB JE 2nd June 2019 Shift-2 - Question 2


An alloy is a/an?

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RRB JE 2nd June 2019 Shift-2 - Question 3


Simplify $$1035\div[\frac{3}{4}(71+65)-15\frac{3}{4}]$$

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RRB JE 2nd June 2019 Shift-2 - Question 4


The liver oil of fish is rich in?

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RRB JE 2nd June 2019 Shift-2 - Question 5


Find the square root of$$ \frac{a^{2}}{b^{2}}$$ +$$\frac{b^{2}}{a^{2}}$$+2

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RRB JE 2nd June 2019 Shift-2 - Question 6


Find the mean of the first 10 consecutive odd numbers.

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RRB JE 2nd June 2019 Shift-2 - Question 7


In a certain code, 15789 is written as 'EGKPT' and 2346 is written as 'ALUR'. How is 23549 written in that code?

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RRB JE 2nd June 2019 Shift-2 - Question 8


Which of the following is more environmental friendly?

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RRB JE 2nd June 2019 Shift-2 - Question 9


Substances whose odour changes in acidic or basic media are called?

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RRB JE 2nd June 2019 Shift-2 - Question 10


Find the missing group of alphabets in the following series.BV, ET, HR, KP, (…), QL

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