Security bank Interview Questions, Process, and Tips

B. 279

let A goes up and B comes down.
assume A takes 1 step in 1sec.
hence,B takes 5 steps in 1sec.
50 steps ll be moved by A in 50/1=50secs
125 steps ll be moved by B in 125/5=25 secs
hence speed of escalator=(difference of no of
steps)/(difference of time)
speed=(125-50)/(50-25)= 3 steps/sec
hence during upward journey of 50secs by A,total steps=50 by
A and 150 by escalator..total=150+50=200
during downward journey of 25 secs by B,total steps=125 by B
and 75 by escalator..total=125+75=200steps.
ANS:200 steps

this is a simple question but the questionaire needs us to
consume time.
speed of car = 2 * speed of auto.
auto takes 30 mins then car should take only 15 mins.
total time = 10 mins + 15 mins = 25 mins = (a)

e. 56 is 7*8 which is the product of 7 with even no.

while(true)
{
new Object();
}

Money will give Luxury but not experience

original cost is 100^2 / (100^2 – p^2) Rs

800 yards

E. Copper

C will take 4 days and the total number of days taken by a,b and c will be 12 days.