There are 1000 doors that are of the open-close type. When a person opens the door he closes it and then opens the other. When the first person goes he opens-closes the doors ion the multiples of 1 i.e., he opens and closes all the doors. When the second goes he opens and closes the doors 2, 4 6 8 rely. Similarly when the third one goes he does this for 3 6 9 12 15th doors rely. Find number of doors that are open at last.

0 Answers   Accenture,

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Hello!!I have appllied for the post of Jr.Executive(ATC).My educational qualification is B.Tech(IT).I ould like to know if the questions in technical section will be based on IT alone or else also from other subjects also like electrical/electronics/civil/tele communication.I will be grateful for a relevant answer.thank you in advance

0 Answers  

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How many rational numbers are there between 0 & 5?

0 Answers   IBM,

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What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal 1 : 2.

0 Answers   TCS,

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Painter of Mona lisa painting?

3 Answers  

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3x + 4y =15 so what is the slope of line which is perpendicular to this line.?

4 Answers  

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If the simple interest is 10.5 % annual and compound interest is 10 % annual, compounded annually, find the difference between the interests after 3 years on a sum of Rs. 1,000.

0 Answers   Essar,

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78 identical cubes each with 2 cm edge are joined together to form a cuboid. If the perimeter of the base of the cuboid is 64 cm, then the number of cubes along the height of the cuboid is

2 Answers  

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7:53::8:?

5 Answers  

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Plz help me to get Aptitute test questions for SBI Clerical exams.

0 Answers   State Bank Of India SBI,

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If A is traveling at 72 km per hour on a highway. B is traveling at a speed of 25 meters per second on a highway. What is the difference in their speeds in m/sec.

4 Answers   Accenture,

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8888+888-88=?

6 Answers  

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