1. A says " the horse is not
black".
B says " the horse is either
brown or grey."
C says " the hoese is
brown"
At least one is telling truth and
atleast one is lying. Tell the colour of horse.
Ans: Grey
2. A son and father go for boating in
river upstream. After rowing for 1 mile son notices
the hat of his father's hat is falling in the
river. After 5 min., he tells his father that his hat
has fallen. So, they turn around and are able to pick
the hat at the point from where they began boating
after 5 min. Tell the speed of river.
Ans: 6 miles/hr
3 A+B+C+D=D+E+F+G=G+H+I=17 where each
letter represent a number from 1 to 9. Find out what
does letter D and G represent if letter A=
4.(8marks)< /FONT>
Ans:D= 5 G=1
4. Argentina had football team of 22
player of which captain is from Brazilian team and
goalkeeper from European team. For remainig players,
they have picked 6 from argentinan and 14 from
european. Now for a team of 11 they must have
goalkeeper and captain so out of 9 now, they plan to
select 3 from argentinian and 6 from European. Find
out no. of possibilities available for it. (2
marks)
Ans:
160600 (ie 6C3 * 14C6)
5. Three thives were caught stealing
sheep, mule and camel. A says " B had stolen
sheep " C says " B had stolen mule" B
says he had stolen nothing. the one who had stolen
horse is speaking truth. the one who had stolen camel
is lying . Tell who had stolen what? (5 marks)
Ans: A- camel B-
mule C- horse
6. A group of friends goes for dinner
and gets bill of Rs 2400 . Two of them says that they
have forgotten their purse so remaining make an extra
contribution of Rs 100 to pay up the bill. Tell the
number of
person in that group. (3 marks)
Ans: 8 persons
7. In a colony, there are some
families. Each of them have children but different in
numbers.
Following are conditions:
a) Number of adults = Number
of sons = Number of daughters = Number of
families.
b) Each sister must have atleast one
brother and should have at the most 1 sister.
c) Number of children in one family
exceeds the sum of no of children in the rest
families.
Tell the number of
families.(5 marks)
Ans: 3 families
8. There are 6 people W,H,M,C,G,F who
are murderer , victim , judge , police, witness,
hangman. There was no eye-witness only circumtancial
witness. The murderer was sentenced to death. Read
following statement and determine who is who.
( 8 marks)
1. M knew both murderer
and victim.
2. Judge asked C to discribe murder
incident.
3. W was last to see F alive.
4. Police found G at the murder site.
5. H and W never met.