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RRB Mini Mock - 25

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Question 1

Which one of the following is not an official language of the United Nations Organisation?

Question 2

'Knot' is used in which of the following?

Question 3

Which is the earliest Engineering educational institution in India?

Question 4

Alpha-keratin is a protein present in_______________.

Question 5

Programs stored in a ROM are called ?

Question 6

The best conductor of electricity is _________.

Question 7

A and B are brothers. C and D are sisters. A’s son is D’s brother. How is B related to C?

Question 8

A man walks 30 km towards South and turns left and walks 50 km. Then he walks 10 km North before he takes a left to walk 50 km. How far is he from the original place?

Question 9

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

Bark : Dog : : ? : Sparrow

Question 10

Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?

Question 11

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

Question 12

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?
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Jun 21SSC & Railway