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Train and Cars
a train passes two cars moving in the direction at 45km/hr and 50km/hr in 36 sec and 54 sec respectively. What is the length of the train?
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Infosys Aptitude questions
In each questions below are given two statements followed by two conclusionsnumbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. read the conclusion and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.5. Statements : All bags are chalks. All...
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Divided by 3D
A number when divided by D leavs a remainder of 8 and when divided by 3D leavs a remainder of 21. What is the remainder left, when twice the number is divided by 3D
viek
- Sep 19th, 2011
ANSWER - Remainder = 3 let number is x,and quotient is A . D is divisor,and R is remainder= 8 then x = A*D + 8 --------------(I) in second situation let quotient is B , 3D is divisor and R is remainde...
prititripathi
- Dec 20th, 2010
No. divided by 3d gives remainder 21 so 21 will b no.next d+8=21d=13now acc.to given condition 21*2/13*3=3remainder=3
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Time and Distance
While traveling at uniform speed. U read a two digit no. after one hr the number is reversed order. After another hour the number read is same two digit number. What is the average speed?
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What should be the value of a, in the polynomials x2 - 11x + a and x2 - 14x + 2a, so that these two polynomials have common factors.A. 24B. 1C. -1D. 1/2
Tomer
- Sep 24th, 2011
X^2-11x+a=0 -eq1
x^2-14x+2a=0 - eq2 subtracting both eq
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0+3x-a=0 i.e 3x-a=0 this is x=a/3
now put the value of x in eq 1
(a/3)^2-11(a/3)+a=0
a=24
putting value of x in eq 2 we will again get a=24prititripathi
- Feb 20th, 2011
Let 2 factor of eq. 1 a an bso a+b=11 n ab=asimmilarly for eq.2 ,2 factor let a n cso a+c=14 n ac=2aon solving we get 24
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Each of the followed paired numbers have a relationship that's the same for all of the paired numbers. What is the missing number?{4, 100} {7, 111} {8, 1000} {1, 1} {12, 1100} {2, ?}
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Editorial / Best Answer
Answered by: swati kadam
- Mar 9th, 2007
ans: 10
(each second no is binary equivalent of the 1st no)kritika
- Sep 26th, 2011
Answer is 10, binary no.of 2
Rishabh
- Sep 6th, 2011
Answer will be {2,10} as all the numbers are given in their binary equivalent..
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2 wheelers and 4 wheelers
If there are 2 wheelers and 4 wheelers parked in a school located at the heart of the city, find the number of 4 wheelers parked there if there were 58 wheels are parked there.
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Work Aptitude question
10 Men Can Complete A Piece Of Work In 15 Days And 15 Women Can Complete The Same Work In 12 Days. If All The 10 Men And 15 Women Work Together , In How Many Days Will The Work Get Completed?
Saboo Sravan
- Nov 3rd, 2011
6 days is wrong answer.... let the amount of work be done = i work done by men in one day = i/15 work done by women in one day = i/12 now, if they together take " x " days to complete the required " ...
vetriselvi
- Oct 16th, 2011
10 men=12
15 woman=15
so 10*15=150
10+15=25
therefore 150/25=6
answer=6 days -
Sum of all the four digit numbers
What is the sum of all the four digit numbers formed using the digits 0, 1, 2 and 3. None of the two digits should be repeated?
Saboo Sravan
- Nov 3rd, 2011
38664 is ans..... for 3 in thousand's place possible outcomes are {3012,3021,3102,3120,3201,3210}.., if u observe one's place,ten's place and hundred's place..., set of ones place is {2,1,2,0,1,0,}, ...
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Aptitude IT Giant Programming
The IT giant Tirnop has recently crossed a head count of 150000 and earnings of $7 billion. As one of the forerunners in the technologyfront, Tirnop continues to lead the way in products and services in India. At Tirnop, all programmers are equal in every respect. Theyreceive identical salaries ans also write code at the same rate.Suppose 12 such programmers take 12 minutes to write 12 lines of code...
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Three random Numbers question
Three numbers are selected at random without replacement from n number,what is the probability that the first number drawn will be the smallest and the second is the largest
- Dec 11th, 2011
1C1*1C(N-1)*1C(N-2)/3C(N-3)
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Divide and find reminders
Find a number that divide 37,67,97 reminders will be 1,2,3 respectively.
VINOTH
- Dec 14th, 2011
The dividend are 6,5,2... the quotient is 6,13,47... the reminder is 1,2,3...
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Cube Questions
A cube has a side of 4cm.b The cube is painted red on all six side. This cube is then cut into 125 smaller cubes. How many of these smaller cubes will have only one side of their sides painted.
Mark Haynes
- Dec 16th, 2011
VINOTH, Yes, there are 98 cubes with some paint on them, but ... The cudes that form the 8 corners will have paint on 3 sides, not 1 side, so you need to remove them from the total of 98 cubes ... ...
VINOTH
- Dec 14th, 2011
The no. of cubes painted in one side is 98.
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Solve Min-Max Game
Alok and Bhanu play the following min-max game. Given the expressionN = 9 + X + Y - Zwhere X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable...
ganta.jyostna
- Dec 23rd, 2011
For these type of ques, remember dis thumb rule..
X*Y-Z=18
X+Y-Z=11
X-Y-Z=2
so
N = 9 + X + Y - Z
N= 9+11=20
Avinash Chourasiya
- Nov 12th, 2011
It is question of Artificial Intelligence, and solved by various modular steps. But the simplest logic for answering these type of questions is If ((X) (operator)(expression)) then if(operator=="+")...
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Circular Track
In a circular race track of length 100 m, three persons A, B and C start together. A and B start in the same direction at speeds of 10 m/s and 8 m/s respectively. While C runs in the opposite at 15 m/s. When will all the three meet for the first time on the after the start? with steps
pramoth
- Dec 25th, 2011
The three will never meet at the same place after they start because two people are running in the same direction with different speeds. so C will meet either A or B. but not both.
souravray_88
- Feb 7th, 2010
In such type of questions get your answers from options itself.Take 1st option and calculate distance travelled by each person so it will be (4*10)=40m for A,(4*8)=32,(4*15)=60, so here distance trave...
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Find the cost of apple and banana
The cost of 17 apples, 9 oranges , 13 bananas is rs 130 , whereas cost of 13 oranges, 7 apples and 10 bananas is rs 100. find the cost of 1 apple , 1 banana and 1 orange put together?
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Write a program to find no. of cats
a no. of cats got together and decided to kill between them 99919 mice. every cat kills equal no. of mice.
write a program to find no. of catsMark Haynes
- Jan 16th, 2012
No. of Cats: 163, 613, or 99919
declare
-- Local variables here
i integer;
begin
-- Test statements here
for i in 1..99919 loop
if mod(99919,i) = 0 then
dbms_output.put_line (i);
end if;
end loop;
end;
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What is the qualifying mark?
A and B are shooters and having their exam. A and B fall short of 10 and 2 shots respectively to the qualifying mark. If each of them fired atleast one shot and even by adding their total score together, they fall short of the qualifying mark, what is the qualifying mark?
Mark Haynes
- Jan 17th, 2012
The Qualifying Mark is: 11 Given: A = the shots by A B = the shots by B Q = the Qualifying Mark We know that: A + 10 = Q B + 2 = Q A + B < Q A >= 1 B >= 1 If A + B < Q and B + 2 = Q Then A < 2 If...
Aptitude Interview Questions
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