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Distance Between x and z Intercept
Determine the distance between x and z intercept of the plane whose eqn is 2x+9y-3z=18
Sandhya.Kishan
- May 26th, 2012
Sqrt of ((d/a)^2+(d/c)^2)
d=18 a=2 b=9 c=-3
(d/a)^2=81 (d/c)^2=36
Sqrt(81+36)=58.5 -
Area of Square
A circle is inscribed in a Triangle of side 6cm and a square is inscribed in the Circle. What is the area of square?
lavanya.rjs
- Jan 3rd, 2011
Radius of the circle inscribed in tringle will be 2cm.side of the square?inscribed in the circle will be sqr.rt.8.Then area of the square = 8cm.
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Numbered Statements
A sheet of paper has statements numbered from 1 to 20. For all values of n from 1 to 20, statement n says'at most n of the statements on this sheet are false'. Which statments are true and which statements are false?
lavanya.rjs
- Jan 4th, 2011
statement 19: nineteeen statements are false. - true. statements 1-18&20: - falsecheck: &nb...
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Form 8 Digit Numbers
Form 8 digit numbers by using 1,2,3,4,5 with repetition allowed and must be divisible by 4?
Mark Haynes
- Apr 20th, 2012
There are 78125 8 digit numbers form from the numbers 1, 2, 3, 4, and 5 that are evenly divisionable by 4. I think thats just a few too many than could be listed here.
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Find the Number
Two numbers 1361, 1468 when divided by certain number leaves remainder 7,11 respectively. Find the Number
lavanya.rjs
- Jan 3rd, 2011
There is no such number since,? 1468=(31*47)+11Where 31 & 47 are prime numbers and cannot divide (1361-7)?or 1361.
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9 Digit Numbers
How many 9 digit numbers are possible by using the digits 1,2,3,4,5 which are divisible by 4 if the repetition is allowed?
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Find the Poisoned Can
If there are 30 cans out of them one is poisoned if a man tastes very little he will die within 14 hours. Now mice are used to test in 24 hours, how many mices are required to find the poisoned can?
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Base Eight Numbering
The citizens of planet X are 8 fingered and have thus developed their decimal system in base 8. A certain street on planet X contains 1000 buildings numbered 1 to 1000. How many 3s are used in numbering these buildings?
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Minimum Weighing Operations
If we have to weigh 31 kgs of rice using only 1 kg stone. What are the minimum number of weighing operations required?
fishpie_123
- Mar 2nd, 2011
5 weighing operations:Rice Counter weight==== ==============1kg (1kg stone)2kg (1kg rice + 1kg stone)4kg (1+2+1)8kg (1+2+4+1)16kg (1+2+4+8+1)================total: 31kg rice
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Minimum number of comparisons required
What is the minimum number of comparisons required to find the second smallest element in a 1000 element array?
Sandhya.Kishan
- May 26th, 2012
999 comparisons are required to find the second smallest element in an array.
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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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How many cubes have colors on two sides.
Cube has colors blue, red ,yellow each on two opposite sides. cube is divided into "32 small cubes and 4 large cubes". question: how many cubes (on 36 cubes) have blue at least one side. how many cubes have colors on two sides.
Mark Haynes
- Jan 17th, 2012
If you paint the cube such that: Blue and Blue are on opposite sides Red and Red are on opposite side Yellow and Yellow are on opposite side And, since the question didnt state where the 32 smaller...
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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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Missing number in the sequence
What is the missing number in the sequence:2,16,50,?,225
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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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To print unique numbers eliminating duplicates from given array
Write a java code to print only unique numbers by eliminating duplicate numbers from the array? (using collection framework)
Sandhya.Kishan
- May 26th, 2012
import javax.swing.JOptionPane;
public static void main(String[] args) {
int[] array = new int[10];
for (int i=0; i -
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...
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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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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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Relative distance between pairs of letters
How many such pairs of letters are there in the word WONDERFUL each of which has as many letters between them in the word as in the English alphabet?
please give clear guidance to solve this type of questions.
Aptitude Interview Questions
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