RRB JE 31st May 2019 Shift-1

In this question, a statement is given followed by four conclusions. Choose the conclusion(s) which best fit(s) logically.

Statement:
In the university examination, most of the candidates take exam in Hindi medium.
Conclusions:
I. Some candidates take exam in Hindi.
II. Most of the candidates appeared for the examination are from Hindi medium.
III. In this examination no candidate writes answers in medium other than Hindi.
IV. All the candidates who appear in this examination write answers in Hindi.

Find the ODD one out from the given options.

What is the name given to the phenomenon of throwing light in various random directions ?

Which of the following is a folk dance of Rajasthan?

Complete the series.
YA, PP, IP, DL, (...)

Find the smallest fraction.

Read the following information carefully and answer the question given below.
Eight students—S, T, U, V, W, X, Y and Z are sitting around a circle facing the center. S is second to the right of Y who is third to the right of T. V is second to the left of X who sits between Y and S. U is not a neighbour of T or W.
Who is to the immediate left of U?

Elements of the second period are known as-

Which number will best complete the relationship given below?
25 : 9 :: 16 : ?

When copper oxide is heated with hydrogen, copper metal and water are formed. What happens to the copper oxide in this reaction?