|
|
|
|
|
Infosys Placement Paper 6 |
1. From a vessel, 1/3rd of the liquid evaporates on the
first day. On the second day 3/4th of the remaining
liquid evaporates. What fraction of the volume is
present at the end of the second day.
Ans: 50%.
2. An orange glass has orange juice and white glass has
apple juice both of equal volumes. 50 ml of the orange
juice is taken and poured into the apple juice. 50 ml
from the white glass is poured into the orange glass. Of
the two quantities, the amount of apple juice in the
orange glass and the amount of orange juice in the white
glass, which one is greater and by how much?
Ans: The two quantities are equal.
3. There is a 4 inch cube painted on all sides. This is
cut down into of 1 inch cubes. What is the no of cubes
which have no pointed sides?
Ans: 8.
4. Sam and Mala have a conversation. Sam says I am
certainly not over 40. Mala says I am 38 and you are
atleast 5 years older than me. Now, Sam says you are
atleast 39. All the statements by the two are false. How
old are they really?
Ans: Mala = 38 yrs; Sam = 41 yrs.
5. Ram Singh goes to his office in the city, every day
from his suburban house. His driver Gangaram drops him
at the railway station in the morning and picks him up
in the evening. Every evening Ram Singh reaches the
station at 5 O' Clock. Gangaram also reaches at the same
time. One day Ram Singh started early from his office
and came to the station at 4 O' Clock. Not wanting to
wait for the car he starts walking home. Mangaram starts
at normal time, picks him up on the way and takes him
back house, half an hour early. How much time did Ram
Singh walk?
6. In a railway station, there are two trains going. One
in the harbour line and one in the main line, each
having a frequency of 10 minutes. The main line service
starts at 5 o'clock and the harbour line starts at
5.02A.M. A man goes to the station every day to catch
the first train that comes. What is the probability of
the man catching the first train?
Ans: 0.8.
7. A family X went for a vacation. Unfortunately it
rained for 13 days when they were there. But whenever it
rained in the mornings, they had clear afternoons and
vice versa. In all they enjoyed 11 mornings and 12
afternoons. How many days did they stay there totally?
Ans: 18.
8. A survey was taken among 100 people to find their
preference of watching T.V. programmes. There are 3
channels. Given the no of people who watch at least
channel 1, at least channel 2, at least channel 3, no
channels at all, atleast channels 1 and 3, atleast
channels 1 and 2, at least channels 2 and 3. Find the no
of people who watched all three.
9. Albert and Fernandes have two leg swimming race. Both
start from opposite ends of the pool. On the first leg,
the boys pass each other at 18 m from the deep end of
the pool. During the second leg they pass at 10 m from
the shallow end of the pool. Both go at constant speed
but one of them is faster. Each boy rests for 4 seconds
at the end of the first leg. What is the length of the
pool?
10. Each alphabet stands for one digit in the following
multiplication.
T H I S
x I S
---------
X F X X
X X U X
------------
X X N X X
------------
What is the maximum value T can take? |
|
| |
| |
|
|
|
|
|
|
|
|
|
|
|
