Placement paper from Nov 7th 2004
1) There r 10 marbles each of 5 diff colors. wot is
the min. num of marbles2 b taken out so dat at least 3
marbles r of same color?
2) U need 2 kill a dragon with 3 heads & 3 tails. u
have a magic sword dat can cut 1 head, 2 heads, 1
tail, or 2 tails in 1 swing.
if 1 head is cut -> a new head grows
if 1 tail is cut -> 2 tails grow
if 2 tails r cut -> 1 head grows
if 2 heads r chopped -> nothing grows. What is d min.
num of swings 2 b made?
3) Slow train runs b/w Blore & Mumbai, up as well as
down. It starts at 10:00pm everyday & reaches
destination by 11:30pm after 3 days. If u travel by
Slow train, how many such trains will u encounter
during journey?
4) A num of birds, black & white, r sitting on thhe
tele wire. There is at least 1 bir of each color, also
whenevr 2 birds are seperated by 4 or 7 other boirds
of any color, both birds r of same color. Wot is the
max. num of birds dat can b seated in this fashion?
5) 5 ppl, A, B, C, D, E are supposed 2 cover a certain
distance from their car to a house. There is only 1
umbrela dat can b shared by 2 ppl at a time.
It takes 1min for A 2 cover the dist, B->2 min,
C->5min, D->10min, E->15min.
Wot is d quickest poss time 4 the entire grp 2 get
into the house?
6) Mr.X belongs 2 a grp of 8 ppl including himself. In
d meeting, nobody shakes hands with the same person
more than once but everyone shakes hands with at least
1 person.
After the meeting is over, Mr.X realizes dat all the
other ppl in the party had shook a diff num of hands.
How many hands did Mr.X shake?
7) In a contest 3 probs, A, B, C r given
->25 ppl of the total num of them solved at least 1
prob each.
->Of all the contestants who did not solve A, the num
who solved B was twice the num who solved C.
->num of ppl who solved only A was 1 more than num who
solved A & atleast 1 other prob.
->Of all stud who solved just 1 prob, half didn't
solve A |
