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amritbawa
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Joined:
Fri Aug 28, 2009 9:03 pm
Beans: 115
In Bank: 1150
College: GNDU
Degree: BTECH
Department: ECE
State: punjab
Fav Quote: Nothing is IMPOSSIBLE on this earth....Because the word itself says---- I'M POSSIBLE !!
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Sat Sep 05, 2009 8:57 pm
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Post subject: infosys q 
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4. stamps of 2, 7, 15, 10 & 20 Paisa. U have Rs. 3.00. U will purchase 5 stamps of 3 of these types and 6 of other two types.
. A wall clock loses 10 minutes in every 1 hr. When wall clock shows 60 mts. Alarm clock shows 70 mts. Alarm clock 60 mts… wrist watch 55 mts….. like this All these r set right at 12 at noon. Time at wrist watch when actual time is 6 pm?
. I have 3 cousins. All 4 persons’ age is prime no. if u know my age u will determine age of others also. Sum of age of all 4 is 50.
. Tank of car is full … 12 gallons. A gallon gives mileage of 25 miles. Tank leaks. I traveled only 5 hrs with the speed of 40 mile/hr. find how much oil is lost due to leak?
ans:4 gallons.
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13 kigs and 6 libs can produce 510 tors in 10 hrs,
8 kigs and 14 libs can produce 484 tors in 12 hrs.
Find the rate of production of tors for kigs and libs.
Express the answer in tors/hr.
(answer i got is : l=340/134tors per hour,k=?)
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Age sum involving 3 people. Similar to sum no. 127
in Shakuntala Devi but very much tougher than that
sum.
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Tom wants to catch a hare. He is standing 250 yards
south from the hare. The hare starts moving due east.
Tom, instead of moving in the northeast direction,
moves in such a way that at every instant, he is going
towards the hare. If speed of tom is one and one-third
times that of the hare, find the distance each
traveled before he caught the hare.
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A Couple decided to travel a north country side .so they decide to travel
a minimum amount on car the first day and the second and sbsequent day
a distance of 20 miles .If they travel a total amount of 1080 miles.Find
he distance travlled on the 4th day and the 9 day.
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A card boarb of 34 * 14 has to be attached to a wooden box and a total
of 35 pins are to be used on the each side of the cardbox.Find the total
number of pins used .
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During a Pizza buffet where A eats more times 2.4 than B, and B eats 6 times
less than C.find the leat number of times all the three has to eat.
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Amir,shahrukh,sunil and salman were quarelling among them saying ecan ones daughter
madhuri,rani,junhi.manisha is more beautiful than other .so they decide to have a poll.
each one has 5 votes to be distributed among the 4 and highest vote that can be given
is 3 and the of votes are different from rest
(if salman gives votes like 2,2,1.0 ,this cant repeat with others).
The other restrictions are :
salman decided that it will be prudence to share equal marks between all the freinds daughters.
sunil gives Highest vote to his daughter rani.
amir gives equal marks to Manisha and juhi.
shahrukh doesnt give any marks to his daughter as he thinks his daughter is haughty enough for
other to vote .
Give the votes poled by others to Madhuri.
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There are diff color mushrooms
A) only and always purple is poisonous when red are
B) green is safe for 6 months
c) yellow is safe when purple are poisonous
d) red is safe for 6 months.
Which coloured mushroom is safe at this time of year?
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The below are the statements of 3 persons. If the person’s speak only two of the three statements correctly, what are their ages?
A: A is 22. B is 1 yr more than A. C is 1 yr less than A.
B: I am not the youngest. There is 3 yrs difference between me and C. C is 25.
C: A is 23 B > A
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In a business, A invested 3 1/2 times more than B.They wanted to include C by taking an amount of Rs2500 from C. How should tha amount be divided among A and B such that three of them get the same interest?
(answer i invented is :2500/14 to b,16250/7 to a)
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Tom had given some stamps to A. He asked A about them. A said “ They were great. B got 3 more than ½ of what she would have got if I kept 3 more than ½ of what she got.
Tom asked A “ How much did u keep?”
A answered “ two more than what I gave B”.
Find the total no of stamps Tom gave A.?
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2) There are three associates and they have some money in a room.
But no one is believing others alone. so,
a) No one should be able to open the room alone.
b) When any 2 persons are combined they should be able to open the room.
What is the minimun no. of locks & keys required.? (5M)
(answer what i got is::3locks and 3 keys total each one should have 2 keys)
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5) An Eraser,Pencil,Notebook together costs $1.00. Notebook costs more than the cost of
2 Pencils. 3 Pencil costs more than 4 Erasers. 3 Erasers costs more than a Notebook.
How much does a pencil costs? (5M)
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3. A cow was standing on a bridge, 5feet away from the middle of the bridge. suddenly a lightning express with 90 miles/hr was coming towards the bridge from nearest end of the cow.seeeing this the cow ran towards the express and managed to escape when the train is one feet away from the bridge. if it would have ran to opposite direction(ie away from train) it would have been hit the train one ft away from the end of the bridge. Calculate the length of bridge.
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4. there are 3 towns attacked by 3 dragons-x,y,z. Number of days x attack a town is equal to number of days y attacking another town. Number of days x attack is equal to half the square root of number of days z attacking a town.number of days y attacking the town is twice the square root of z.calculate how much days the curse of each dragon be.
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1) A girl ‘A’ told to her friend about the size and color of a snake she has seen in the beach. It is one of the colors brown/black/green and one of the sizes 35/45/55.
If it were not green or if it were not of length 35 it is 55.
If it were not black or if it were not of length 45 it is 55.
If it were not black or if it were not of length 35 it is 55.
a) What is the color of the snake?
b) What is the length of the snake?
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a clock is 1mt slow..another is 2 mts fast afterwards faster
clock is 1 hr ahead,,, whats the time?3mts difference..60/3=ans 20 hrs..
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THERE R TWO PERSON EACH HAVING SAME AMOUNT OF MARBLES IN THE BEGINING
AND 1st PERSON GAINS 20 MORE FROM THE SECOND PERSON AND HE EVENTUALLY
LOSE TWO THIRDS OF IT DURING THE PLAY AND NOW THE SECOND PERSON HAS
4TIMES MARBLES OF WHAT FIRST PERSON IS HAVING NOW.FIND HOW MUCH MARBLES DID
EACH HAD IN THE BEGINING.
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A MAN SAYS THAT HE GAINED 10 PERCENT AS PROFIT IN SELLING A SUITABLE
CLOTH MATERIAL.HE SAYS IF HE HAD PURCHASED
THE SAME ONE 10 PERCENT CHEAPER THAN IT WAS ACTUAL AND IF HE HAD SOLD
IT FOR 20% PROFIT HE GETS 25PAISE LESS.
FIND AT WHAT PRICE HE SELLED THE SUIT.
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There is log weighing 30kgs.
The log having twice thickness and twice short as first one will weigh howmuch ??
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There r two new systems A & B like celcius & faurenheit.
18 degrees in system A is equal to 86 degrees in System B and 122 degrees
in system A is equal to 46 degrees in system B.
At what temperature both will equal?
(Numeral r not correct but try this type of problem)
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An escalator is descending at constant speed.
A walks down and takes 50 steps to reach the
bottom.
B runs down and takes 75 steps in the same time as
A takes 3 steps.
How many steps are visible when the escalator is
not operating?
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there are 100 men among them 80 have telephones and
70 have cars and some 75 have houses and 85 have
mobiles.(data is not exact) . what is the minimum
number of men that have all these things.?
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3.there are some families in which
no. of children > no .of adults.
no of boys > no of girls
no of families >no .of ……….
every girl has at least one brother & at most two sisters.
Ans. 3 families
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a person went to a town where he met four persons having names of difficult
pronunciation which contains alphabets upto 8 syllables and at most two
vowels
conditions : a. number of syllables in C's name are more than 7
A's name doesn't contain 2 vowels sound
Number of vowels sound in B's and C's are not same
Four are also there.
Ans: A: 5 syllables 0 vowels B: 6, 1 C: 7,0 D : 8 , 2
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[1]Two train travel opposite to each other from one station to another. First train leaves the station every one hour and second train leaves the station every one and half hour. If first train reaches to second station to second station after 5 hours. Then the no. of train that will cross the first train will be: marks(3)
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[2]27 cigrates are there. A person smokes 2/3 and leaves 1/3.
Total number of cigrates used by him.
Ans:30 marks(3)
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q2) A-B=C
D/E=F
G+H=I
C.F=I ANS A=9,B=5,C=4,F=2.
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8:there are 5 persons who have won top five places in
an event in Olympics . one of them asks all the five
regarding thier positions, they reply as:
A: "i am not the last"
B: "c is in third place"
c: "E is behind A"
d: "B is in first place"
e: "D is not the first"
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7)A man wearing a hat stands on a bridge across a river. At an instant his hat falls
into the river and starts flowing along with the atream at the same speed of the stream.
At the same instant the man jumps into the river and starts swimming in the direction
opposite to the stream, like that he swims for 10 minute , then he turns back and
starts swimming in the direction of the stream to retrieve the hat. He retrieves the hat
under another bridge which is 1000 yards away down the stream from the first bridge.
What is the speed of the river.
7A)Let the swimming speed of man be = a yds/min.
speed of stream = b yds/min.
Then the man swims at (a-b) yds/min. against the stream.
and (a+b) yds/min in direction with the stream.
Lets assume the man covered a distance of x in 10 min swim up the stream at speed (a-b).
The time taken by him to cover the same distance down the stream at speed (a+b) is...
=> 10(a-b)/(a+b)
The total time of travel(being same for both), hat and the man be 't'.
Time taken by hat to travel from first bridge to the bridge down stream 1000 yards
away at speed b is 't' minutes.
Time taken by man to travel from first bridge to the bridge down stream 1000 yards
away at speed (a+b) will be [t-{10+[(10(a-b)/(a+b))]}] minutes.
There for we have for hat b*t=1000 yds. ------> (1)
for man .... (a+b)[t-(10(a-b)/(a+b))] = 1000 yds. ------> (2)
solving equations (1) and (2) we get
=> t=20 minutes.
Answer : so, speed os the stream is 1000/20= 50 yds/min.
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4). Conversation between two mathematcians:
first : I have three childern. Thew pproduct of their ages is 36
. If you sum their ages . it is exactly same as my neighbour's
door number on my left. The sacond mathematiciaan verfies the
door number and says that the not sufficient . Then the first
says " o.k one more clue is that my youngest is the youngest"
Immmediately the second mathematician answers . Can you aanswer
the questoion asked by the first mathematician?
What are the childeren ages? ans 2 and 3 and 6
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5). Light glows for every 13 seconds . How many times did it
between 1:57:58 and 3:20:47 am
ans : 383 + 1 = 384
[answer calculated by me is ==382]
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6). 500 men are arranged in an array of 10 rows and 50 columns .
ALL tallest among each row aare asked to fall out . And the
shortest among THEM is A. Similarly after resuming that to their
originaal podsitions that the shorteest among each column are
asked to fall out. And the longest among them is B . Now who is
taller among A and B ?
ans A
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8). there are six boxes containing 5 , 7 , 14 , 16 , 18 , 29
balls of either red or blue in colour. Some boxes contain only
red balls and others contain only blue . One sales man sold one
box out of them and then he says " I have the same number of red
balls left out as that of blue ". Which box is the one he solds
out ?
Ans : total no of balls = 89 and (89-29 /2 = 60/2 = 30
and also 14 + 16 = 5 + 7 + 18 = 30
10). Grass in lawn grows equally thickand in a uniform rate. It
takes 24 days for 70 cows and 60 for 30 cows . How many cows can
eat away the same in 96 days.?
Ans : 18 or 19(MY ANSWER IS 20)
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