INFOSYS 1

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The questions are not in order.

1)
A,B,C,D and E are related. Four of them made these statements, one each.

C is my son in law's brother
B is my father's brother
E is my mother in law
A is my brother's wife

Who made these statements(A/B/C/D/E)?

10 marks

2)
e means belong.

All members of E e D
All members of D e A
Not all members of D e E
Not all members of A e D
All members of C e both A and B

Some questions are asked about relations. Use Venn diagram

5 marks

3)
A,B,C are 3 hockey teams. Complete the table.

Played	Won	Lost	Drawn	Goals For	Goals Against
A	2	2			1
B	2		1	2	4
C	2			3	7

4 marks

A says Party was held on :Thursday ,May 8th.
B says Party was held on :Tuesday,May 10th.
C says party was held on :Friday ,June 8th.

Given April 1 st was Tuesday.
One of A,B,C says 1 correct, One says 1 wrong and One was completely wrong of Date,Month and Day.
Find the Day the party was held.

5 marks

5)
A ship is away from the shore by 180 miles.
A plane is travelling at 10 times speed of the ship.
How long from the shore will they meet?

2marks

6)
Every station in a railroad network issues everyother station's ticket.
Some stations are added. Now they have to issue 46 more tickets.
Give the no.of stations before and after the stations are added.

5 marks

7)
Three persons say these statements.

A says either Democratic or Liberal wins the elections.
B says Democratic wins.
C says neither Democratic nor Liberal wins the election.

Of these only one is wrong.
Who wins the election?

5 marks

8)
A clock showing 6 o'clock takes 30 secs to strike 6 times.
How long will it take to strike 12 at midnight?

Ans.66 secs. 2marks

9)
    Only boys aged > 16 wear coats.
    Boys aged > 15 go to watch football.
    Some more statements are given.
    What can be said about those who are watching football ? (age and costume)

5 marks

10)
    There are 3 societies A,B,C having some tractors each.
    A gives B and C as many tractors as they already have.
    After some days B gives A and C as many tractors as they have.
    After some days C gives A and B as many tractors as they have.
   Finally each has 24 tractors.
What is the original no.of tractors each had in the beginning?
Ans.A -39, B- 21,C- 12.

7 marks

Reference books

Puzzles and teasers by George J. Summers
Shakuntala Devi Puzzles