# (Paper) Infotech Placement Paper (Aptitude)

**Paper: Infotech
Placement Paper (Aptitude)**

**1. **The ratio of
ages of vishnu and jyothi are in the ratio 4:3 and their sum of their ages is
28.after 8 yrs the ratio of their ages will be

**2**.the avg age of of a class is some
x.y(ex:15.8).the avg age of all boys is some a.b(ex:16.8) n the avg age of all
girls is some c.d(ex:13.2). the ratio of no of boys to no of girls is

**3**.a train 300m long takes 30s to
cross a man walking at 5kmph in the same direction and reaches the next station
after 15min.the time taken by man to reach station is

**4.**a container contains wine to its
full cpacity.4lit of wine is taken out and water is poured. again .4lit of mix
is taken out and 4 lit of water is poured. After this the ratio of wine is
36:49.the capacity of container is

**5.**a,b,c can do a piece of work in
2,3,4 days respectively. a and b started and after working for two days c
replaces b. the rest of the work is completed in _______days.

**6.**a,b,c invested 2000,3000,4000 and
after 1yr the profits were distributed in the ratio 1:2. The
time c joined is?

**7.**speed of boat in still water is
5kmph and rate of stream is 1kmph.a man takes 75min to row down n up to the same
place. the distance he traveled is

**8.**present population of a village
is 5000.after 6 yrs it population is 6000.if the population increases at the
same rate then after 18 yrs the population will be

**9.**The difference between compound
interest n simple interest for 2yrs at 10%rate calculated annually is RS.160.if
compounded half yearly then the diff would be.

**10.**a man bought a horse and sold it
for 10% gain. if he had bought it for 20% less and sold it for RS.100 more then
his profit would be 40%.what is CP of horse.

**11**.a square field of 110 meter have
4mts path parallel to both sides. The area of the path is.

**12.**A n B can fill a tank in 4hrs n
5hrs respectively. if they r opened alternatively then the time taken to fill
the tank is