infosys puzzles 01

1. There is a escalator and 2 persons move down itA takes 50 steps
and B takes 75 steps while the escalator is moving down.Given that the time
taken by A to take 1 step is equal to time taken by B to take 3 steps.Find the
no. of steps in the escalator while it is staionary.


2. If 5/2 artists make 5/2 paintings using 5/2 canvases in 5/2 days then
how many artists r required to make 25 paintings using 25 canvases in 25
days?


3. If the digits of my present age are reversed then i get the age of my
son.If 1 year ago my age was twice as that of my son.Find my present age.

ans. father-73, son-37


4. There are 6561 balls out of them 1 is heavy.Find the min. no. of times
the balls have to be weighed for finding out the haevy ball.ans. 8


5. If i walk with 30 miles/hr i reach 1 hour before and if i walk with 20
miles/hr i reach 1 hour late.Find the distance between 2 points and the exact
time of reaching destination is 11 am then find the speed with which it
walks.ans. 120miles and 24 miles/hr


6. There r four face cards (J,Q,K,A) all of different
types(diamond,club,spade,heart) and some conditions r given.find the order of
cardsans. king -> jack -> queen -> aceheart diamond spade
club


7. If A,B,C,D,E r 5 members of a family.4 of them give true statements : 1.
E is my mother in law2. C is my son in law's brother3. B is my father's
brother4. A is my brother's wife
Who made the stmt. and what r the realtions
among themans. E A<-->B--CD<--> denotes husband-wife-- denotes
brothers


8. The product of 5 different temperatures is 12.If all of then r integers
then find all the temperaturesans. -2,-1,1,2,3


9. If a flight travels between India(IST) and Toronto(TST).There r 2 types
of flights slow and fast.
IST TSTSLOW - - FAST - -
TST ISTSLOW - -FAST -
?
These are the departure times and arrival times for slow and fast flights
in IST and TST. then find the time in ?
ans. 22:40


10.There r 9 cities numbered 1 to 9.From how many cities the flight can
start so as to reach the city 8 either directly or indirectly such the path
formed is divisible by 3.eg. 1368-Flights goes through 1-3-6-8.

11. If i do this puzzle i find it to be hard than the last puzzle that i
did before that after that..............very complex stmt.Is that puzzle
difficult,easy,can't say or depends on the no. of puzzles