Infosys paper

Puzzles

.A case of theft…three suspect A,B,C. in police  interrogation each made the same statement that one of the other two is the criminal ,& I  did not do it ..Later the police found out C lied… Who is the thief?
Ans :-C

2.A wall clock gets 10mins late every hour. A table clock that gets 10 mins ahead of the wall clock every hour.. an alarm clock gets 5mins late to the table clock every hour .. a wrist watch that gets 5 mins ahead  of the alarm clock every hour … All clocks are set at 12 noon , what  will be the time shown by the wrist watch  when the time actually is 6pm to the nearest minute.

Ans :- 5.48pm

3.Four friends Sandeep,Joydeep,Abhishek,Mousum  have different nick  James sandy,joy,abhi &mou not necessarily in the same order . Five
conditions are give.

i)  Sandeep is stronger than abhi & faster than joy.
ii) Joydeep is stronger than mou & slower than sandy.
iii) Abhishek is stronger  than joy & faster than mou .
iv) Mousum  is weaker than sandy & slower than abhi .
v)  None of them has the same  letter as the first letter in their name & nick-name.

Ans : Sandeep-mou, Joydeep-abhi,Abhishek-sandy, Mousum-joy

4.complete the gaps in the given series

a) 46646, 3125, 256, 27,… ,  1 .                     Ans:  4

b)3, 10, 7, 8,__, 12, 9,16.                                Ans :  11

5. A man filled his car with 12 gallons of oil . the moment he started the car the tank  became leaked .. after four hours of journey the man found his fuel tank to be empty.. if  he goes 50  miles per hour..  and 25 miles per gallon ….find the fuel lost.

Ans : 4 gallon

6.The total of ages of me, and my three distant cousins was 50. And all  of the ages were in prime number. What were the ages of the three cousins?

Ans : 3,2,2.

7.A ball is dropped from a height of  180 ft. It rises to a height one-tenth of the previous height from which it has previously fallen. Now
find the distance travelled  by  the ball before  coming  to  rest.

Ans : 220 ft.