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RRB NTPC 2019 Mini Mock Test - 123

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Question 1

A sudden fall of mercury in a barometer indicates

Question 2

Which among the following is used in fire extinguisher?
I. Carbon dioxide
II. Oxygen
III. Sulphur dioxide

Question 3

When we goes from left to right in periodic table, Electro-negativity ____ and when we goes from top to bottom it _____.

Question 4

Ramesh and Suresh are brothers. Dharmendra is the father of Ramesh and Sunita is the wife of Suresh's only brother. Sapna is the daughter of Sunita. How is Sapna related to Dharmendra?

Question 5

What is used in making of water proof and stainless clothes?

Question 6

A trader had 22 quintals of wheat. He sold a part of it at 23% profit and the rest at 33% profit, so that he made a total profit of 27%. How much wheat did he sell at 33% profit?

Question 7

Magnesium oxide (MgO) + Water

Question 8

A trader had 960 kgs of rice. He sold a part of it at 20% profit and the rest at 8% profit, so that he made a total profit of 12%. How much rice (in kgs) did he sell at 8% profit?

Question 9

Pebbles and stones are removed from sand by the method of _________

Question 10

A container contains wine and spirit in the ratio of 9 : 7. If 6 liter mixture is taken out and same amount of spirit is poured into the mixture, then the ratio of spirit and wine becomes equal. Find the original quantity of mixture.

Question 11

Pointing towards a lady, Wahid said, “ She is the daughter of the only child of my grandmother.” How is wahid can be related to that lady?

Question 12

The boy in the photograph is the only son of the only son of Suresh's mother. How is Suresh related to that boy?

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Mar 12SSC & Railway