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(1) 9 cards are there. u have to arrange them in a 3*3 matrix.
cards are of 4 colors.they are red,yellow,blue,green.
conditions for arrangement: one red card must be in first row
or second row.2 green cards should be in 3rd column.Yellow
cards must be in the 3 corners only. Two blue cards must be in
the 2nd row. Atleast one green card in each row.
Yello Red Gren
Blu Blu Gren
Yello Gren Yello
2. 4 cards are placed on a table, each card has two colors. U
don't know the color of the back side of eachcard.4 persons A
B C and D are sitting on the table before the cards. They can
see Red, Green Red and blue .Out of the 4 poeple 2 always lie.
They see the color on the reverse side and give the following
B: Neither Blue/nor Green
D: Blue/ Yello
find out the color on the other side of the 4 cards.
3.Red and brown tribes [FROM BARRONS GRE] Conditions to
get married with each other.
4. Venn diagram regarding Rich, muscular, soft-skinned,
employed, etc.,( Refer BARRONS GRE GUIDE)
1. SAKUNTALA DEVI'S PUZZLE BOOK : PUZZLES TO PUZZLE YOU.
problem no: 3. ( Brothers and Sisters)
A family I know has several children. Each boy in this
family has as many sisters as brothers but each girl has
twice as many brothers as sisters. How many brothers
and sisters are there?
ans: 4 boys and 3 girls.
2. No. of animals is 11 more than the no. of birds. If the
no. of birds were the no. of animals and no. of animals
were the no. of birds( ie., interchanging no.s of animals
and birds.), the total no. of legs get reduced by one fifth
(1/5). How many no. of birds and animals were there?
3. In a soap company a soap is manufactured with 11 parts.
For making one soap you will get 1 part as scrap. At the
end of the day u have 251 such scraps. From that how many
soaps can be manufactured? ans: 22 + 2+ 1 = 25.
4. 2 * * |
3 * * | No. 7 does not occur in this
5 * * | multiplication.
* 4 * |
* * 3 | Find the product.
* * * * * |
ans 2 8 1
3 2 2
5 6 2
5 6 2 0
8 4 3 0 0
9 0 4 8 2
5. There is a 5digit no. 3 pairs of sum is eleven each.
Last digit is 3 times the first one.
3 rd digit is 3 less than the second.
4 th digit is 4 more than the second one.
Find the digit.
ans : 25296.
6. There are five thieves, each loot a bakery one after the
other such that the first one takes 1/2 of the total no.
of the breads plus 1/2 of a bread. Similarly 2nd, 3rd,4th
and 5fth also did the same. After the fifth one no. of
breads remained are 3. Initially how many breads were there?
ans : 31.
7.ESCALATOR PROBLEM OF SAKUNTALA DEVI 'PUZZLES TO PUZZLE'book.
Problem No: Problem 27( Down the escalator)
ans : the no of steps in the stair way : 46.
8.Harbour line and Main line Problem of Sakuntala Devi Puzzle
book. Ans : 4/5.
( More Puzzles book)
9.There are some chicken in a poultry. They are fed with corn
One sack of corn will come for 9 days.The farmer decides to
sell some chicken and wanted to hold 12 chicken with him.
He cuts the feed by 10% and sack of corn comes for 30 days.
So initially how many chicken are there?
10.Two people X & Y walk on the wall of a godown in opposite
direction. They meet at a point on one side and then go
ahead. X after walking for some time, walks in opposite
direction for 15 mtrs.Then again he turns back and walks
in the original direction. What distance did Y walk before
they met again, if X walks 11 mtrs by the time Y walks
11.Problem from SAKUNTALA DEVI 'PUZZLES TO PUZZLE U'.
Problem no: 23( Walking back to happiness.)
The walking time : 55 mins.
1) There are two balls touching each other circumferencically. The radius of the big ball is 4 times the diameter of the small
ball.The outer small ball rotates in anticlockwise direction circumferencically over the bigger one at the rate of 16 rev/sec.
The bigger wheel also rotates anticlockwise at Nrev/sec. what is 'N' for the horizontal line from the centre of small wheel always
2) 1 2 3 4
+ 3 4 5 5
4 6 8 9
- 2 3 4 5
2 3 4 4
+ 1 2 5 4
3 6 9 8
Q) Strike off any digit from each number in seven rows (need not be at same place) and combine the same operations with 3 digit numbers
to get the same addition. After this strike off another digit from all and add all the No.s to get the same 2 digit No. perform the same
process again with 1 digit No.s. Give the ' no.s in 7 rows at each stage.
3) there is a safe with a 5 digit No. The 4th digit is 4 greater than second digit, while 3rd digit is 3 less than 2nd digit. The 1st digit
is thrice the last digit. There are 3 pairs whose sum is 11. Find the number. Ans) 65292.
4) there are 2 guards Bal and Pal walking on the side of a wall of a wearhouse(12m X 11m) in opposite directions. They meet at a point and
Bal says to Pal " See you again in the other side". After a few moments of walking Bal decides to go back for a smoke but he changes his
direction again to his previous one after 10 minutes of walking in the other(opposite) direction remembering that Pal will be waiting
for to meet.If Bal and Pal walk 8 and 11 feet respectively, how much distance they would have travelled before meeting again.
Q) Find the 5 digit No.
Hint: 5 is used atleast once in the calculation.
6) A fly is there 1 feet below the ceiling right across a wall length is 30m at equal distance from both the ends. There is a spider 1 feet
above floor right across the long wall eqidistant from both the ends. If the width of the room is 12m and 12m, what distance is to be
travelled by the spider to catch the fly? if it takes the shortest path.
7) Ramesh sit around a round table with some other men. He has one rupee more than his right person and this person in turn has 1 rupee
more than the person to his right and so on, Ramesh decided to give 1 rupee to his right & he in turn 2 rupees to his right and 3 rupees
to his right & so on. This process went on till a person has 'no money' to give to his right. At this time he has 4 times the
money to his right person. How many men are there along with Ramesh and what is the money with poorest fellow.
8)Question related to probabilities of removing the red ball from a basket,given that two balls are removed from the basket and the other
ball is red. The basket contains blue,red,yellow balls.
9)Venkat has 1boy&2daughters.The product of these children age is 72. The sum of their ages give the door numberof Venkat.Boy is elder of
three.Can you tell the ages of all the three.
1)L:says all of my other 4 friends have money
M:says that P said that exact one has money
N:says that L said that precisely two have money
O:says that M said that 3 of others have money.
P:Land N said that they have money.
all are liers.Who has money&who doesn't have?
2)A hotel has two,the east wing and the west wing.some east wing rooms
but not all have an ocean view(OV).All WW have a harbour view(HV).The
charge for all rooms is identical, except as follows
* Extra charge for all HV rooms on or above the 3rd floor
* Extra charge for all OV rooms except those without balcony
* Extra charge for some HV rooms on the first two floor&some EW rooms
without OV but having kitchen facilities. (GRE modrl Test 3-question
3)Post man has a data of name surname door no.pet name of 4 families.
But only one is correct for each family.There are a set of statements
4)4 couples have a party.Depending on the set of statements,find who
insulted whom and who is the host of the party.
5)5 women given some of their heights(tall,medium,short)Hair( long,
plainted),stards(Black or Brown), sari,2 medium,2-short.Tall->no
sari.Plainted->medium.Answer the combinations.
1) A person has to go both Northwards&Southwards in search of a job.
He decides to go by the first train he encounters.There are trains for
every 15 min both southwards and northwards.First train towards south
is at 6:00 A.M. and that towards North is at 6:10 .If the person arrives
at any random time,what is the probability that he gets into a train
2) A person has his own coach&whenever he goes to railway station he
takes his coach.One day he was supposed to reach the railway station
at 5 O'clock.But he finished his work early and reached at 3 O'clock.
Then he rung up his residence and asked to send the coach immediately.
He came to know that the coach has left just now to tje railway station.
He thought that the coach has left just now to the railway station.He
thought that he should not waste his time and started moving towards
his residence at the speed of 3mi/hr.On the way,he gets the coach and
reaches home at 6 o'clock.How far is his residence from railway
3)Radha,Geeta&Revathi went for a picnic.After a few days they forgot the
date,day and month on which they went to picnic.Radha said that it was
onThursday,May 8 and Geeta said that it was Thursday May 10.Revathi
said Friday Jun 8.Now one of them told all things wrongly,others one
thing wrong and the last two things wrongly.If April 1st is tuesday