RRB Group-D 1st October 2018-shift -3


For the following questions answer them individually

Question 81

Aluminium metal is extracted only by:

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Question 82

Halogens contains ...............

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Question 83

A statement is followed by two arguments. Decide which of the arguments is/are strong with respect to the statement.
Should income tax be abolished in developed countries?
1. Yes, it will motivate to earn more.
2. No, people must learn to share their wealth for the betterment of other people.

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Question 84

A solution contains 32 g of common salt in 320 g of water. Calculate the concentration in terms of mass by mass percentage of the solution.

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Question 85

In a diamond, each carbon atom is bonded to:

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Question 86

India's first bullet train is proposed to run between .........

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Question 87

Amoeba, Paramecium and Bacteria undergo:

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Question 88

If $$x = a(\sin \theta + \cos \theta)$$ and $$y = b(\sin \theta - \cos \theta)$$ then $$(\frac{x^2}{a^2}) + (\frac{y^2}{b^2})$$ = ?

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Question 89

Choose the correct picture that fit the blank place

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Question 90

The Asia-Africa-Europe (AAE-1) submarine cable system, the world's longest 100-Gbps submarine cable system was launched by ............

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