Sparking between contacts can be reduced by inserting a
a.) Resistance in the line
b.) Capacitor in series with contacts
c.) Capacitor in parallel with contacts
d.) None

two independent random variables x and y are uniformly
distributed in the interval [-1,1].the probability that
max[x,y] is less than 1/2 is a) 3/4 b)9/16 c)1/4 d)2/3

Sir, I hav applied for the post of sec. engg in RRB in
telecom-sigal domain. Can u suggest hows the question
pattern. Do I hav 2 follow technical books or general
aptitude books ?