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RRB NTPC 2019 Mini Mock Test - 115

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Question 1

Father of microbiology ________.

Question 2

In the following question, select the related group of letters from the given alternatives.

BCDE : NOPQ :: DGJM : ?

Question 3

The main constituents of cement are:

Question 4

Radioactivity was discovered by _________?

Question 5

Which of the following is the lightest metal?

Question 6

Select the related word/letters/ number from the given alternatives.

Tea : Cup :: Soup : ?

Question 7

The milk and water in two vessels A and B are in the ratio 4: 3 and 2 : 3 respectively. In what ratio, the liquids in both the vessels be mixed to obtain a new mixture in vessel C containing half milk and half water?

Question 8

Which one of the following is an enzyme ?

Question 9

Which of has following group of gases contribute to the 'Green House Effect'?

Question 10

A vessel has 60 litres of solution of acid and water having 80% acid. How much water should be added to make it a solution in which acid forms 60%?

Question 11

The ratio of milk to water in a mixture is 5:1. 5 L of water is added to mixture and ratio becomes 5:2. Find the quantity of milk in the initial mixture.

Question 12

In the following question, select the related number from the given alternatives.

24 : 126 : : 48 : ?
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