RRB Group-D 3 Oct 2018-shift -2
For the following questions answer them individually
RRB Group-D 3 Oct 2018-shift -2 - Question 21
If $$G$$ is the G.M. of the product of $$r$$ sets of observations with geometric means $$G_1,G_2,G_3,.....G_r$$ respectively, then find the value of $$G$$?
RRB Group-D 3 Oct 2018-shift -2 - Question 22
The given symbol represents ............ element. 
RRB Group-D 3 Oct 2018-shift -2 - Question 23
Name the author of the book 'One Indian Girl'.
RRB Group-D 3 Oct 2018-shift -2 - Question 24
The recipients of the Whitley Awards, also called the Green Oscar Awards, are:
RRB Group-D 3 Oct 2018-shift -2 - Question 25
In the Modem Periodic Table, which group has a completely filled valence shell and chemically inactive elements?
RRB Group-D 3 Oct 2018-shift -2 - Question 26
The speed of a boat in still water is 12 km/h. If the boat covers a distance of 38 km upstream in 4 hours; then the speed of the stream (in km/h) is:
RRB Group-D 3 Oct 2018-shift -2 - Question 27
When light travels from a rarer medium to a denser medium, it .............
RRB Group-D 3 Oct 2018-shift -2 - Question 28
Which of the following sports is Gurmeet Singh associated with?
RRB Group-D 3 Oct 2018-shift -2 - Question 29
Solve the following equation to find x:
$$(x — 2)^2 — 36 = 0$$; x € N
