Puzzle Contest-130

[HELP]

1. If you take a marker & start from a corner on a cube, what is the maximum number of edges you can trace across if you never trace across the same edge twice, never remove the marker from the cube, & never trace anywhere on the cube, except for the corners & edges?


2. One of Mr. Bajaj, his wife, their son and Mr. Bajaj's mother is an Engineer and another is a Doctor.
If the Doctor is a male, then the Engineer is a male.
If the Engineer is younger than the Doctor, then the Engineer and the Doctor are not blood relatives.
If the Engineer is a female, then she and the Doctor are blood relatives.
Can you tell who is the Doctor and the Engineer?


3. Three men - Sam, Cam and Laurie - are married to Carrie, Billy and Tina, but not necessarily in the same order.Sam's wife and Billy's Husband play Carrie and Tina's husband at bridge. No wife partners her husband and Cam does not play bridge.
Who is married to Cam?
Cam carrie


4. There are 3 persons X, Y and Z. On some day, X lent tractors to Y and Z as many as they had. After a month Y gave as many tractors to X and Z as many as they have. After a month Z did the same thing. At the end of this transaction each one of them had 24. Find the tractors each originally had?


5.A certain street has 1000 buildings. A sign-maker is contracted to number the houses from 1 to 1000. How many zeroes will he need?

[sushilrsk]

4) X=39
Y=21
Z=12

5) 192 zeroes

[ashuu]

2] ans
if the engg is younger than doctor thn they are not blood re;ations this conforms the boy is not engg and balagis wife or mon is not the doctor.in cond 2 if the engg is a female(either b's mom or wife)thn she and doctor are blood relatives..so the ther is contradiction from case 1(if engg is male doctor is also male)case therfore the engg should be a male and it should be mr balaji (engg).

[krish-pras]

answers
1)8
2)
3)
4)x=39,y=21,z=12;
5)192

[a_saikishorereddy]

1.9(sure)
2.
3.
4.x=39,y=21,z=12
5.192
sol for 5th one:
from (1-100):- there r 11 zero's
from(101-900):- (10+10)8=160
from(901-999):- 10(901-910)+8(911-999)=18
and finally 1000 :- 3 zeros
so totally 11+160+18+3=192

[aravinth]

3)ANS
1 st game:
sam's wife-Tina
VS
Billy'husband-laurie
2 nd game
carrie
VS
tina's husband-sam
Cam is married to carrie

[niranjan44]

i am niranjan reddy.completed my electrical engg.
i at present staying in hyderabad.i today only joined in this forum.

[balanagireddy]

1) 9 Edges
2) Doctor is Mr.Bajaj Son Engineer is Mr.Bajaj
3) Explain the 3rd answer please..
4) A: 39 B:21 C:12
5) 192 0's

[arullingan]

Respected sir,
Sir ,i messages from u according to the HR,Apptitude and technical question,

[manish_khanduri]

2.> eng baja and wife is doctor

[cherry]

1>.12