RRB ALP 9th Aug 2018 Shift-3


For the following questions answer them individually

Question 21

A copper wire when bent in the form of a square encloses an area of $$121\ cm^2$$. If the same wire is bent into the form of a circle, find the area of the circle:(Use:$$\pi=\frac{22}{7}$$)

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Question 22

A raised hammer possesses:

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Question 23

When $$x^2+ax+b$$ is divided by $$(x-1)$$, the remainder is 15 and when $$x^2+bx+a$$ is divided by $$(x+1)$$, the remainder is $$-1$$, then the value of $$a^2+b^2$$ is:

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Question 24

If $$a-\frac{1}{a}=1$$, then $$a^2+\frac{1}{a^2}=?$$

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Question 25

Consider the given argument and decide which of the given assumptions is (are) implicit.
Due to water crisis in the city, the authority had asked all the citizens to reduce their water consumption by 25%.
1. Many citizens may reduce their water consumption.
2. Many activists may protest to this advisory by the authority.

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Question 26

If a body takes โ€˜tโ€™ seconds to go once round the circular path of radius โ€˜rโ€™, the velocity โ€˜vโ€™ is given by:

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Question 27

Who is the only Indian economist to have won the Nobelprize?

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Question 28

Complete the series given in the Problem Figure with an appropriate option from the Answer Figures.

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Question 29

Find the L.C.M of $$\frac{4}{5},\frac{2}{3}$$ and $$\frac{5}{7}$$

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Question 30

What happens as we go down the group in the periodic table?

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