There is a school with 100 students and correspondingly 100 lockers, all of which start off closed. The first student opens every locker and the second students closes every other locker starting with the second (2,4,6...etc..) . The 3rd student changes the state of the lockers numbered (3,6,9.. etc.). The fourth student changes the state of the lockers numbered (4,8,12.. etc..).. This continues until all the 100 students passes along the lockers.. when all the 100 student is done which locker is closed and which locker is in open condition?

6 Answers   TCS, Zoho,

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a student is ranked 13th from right and 8th from left.how many are there(similar)

0 Answers   Cognizant,

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11.The addition 742586 + 829430 = 1212016 is incorrect. It can be corrected by changing one digit d, wherever it occurs, to another digit e. Find sum of d and e. A. 6 [DCRU] B. 4 C. 10 D. 8

3 Answers   TCS,

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In an examination, 35% of the students passed and 455 failed. How many students appeared for the examination?

10 Answers   Banking, TCS,

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Grass in lawn grows equally thick and in a uniform rate. It takes 24 days for 70 cows and 60 days for 30 cows to eat the whole of the grass. How many cows are needed to eat the grass in 96 days?

3 Answers   Anna University, CTS, Infosys,

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It cost a college Rs.0.70 a copy to produce a Programme for the homecoming football game. If Rs.15,000/- was received for advertisements in the programme, how many copies at Rs.0.50 a copy must be sold to make a profit of Rs.8000/- ?

5 Answers   IBM, L&T, TCS, Wipro,

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3/p=6, 3/q=15 ......find p-q

0 Answers   Cisco,

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Please send the model question paper to my email id this is my email id :lalitha_7stars@rediffmail.com

0 Answers  

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Two trains at speed 60 km/hr come in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?

0 Answers   Accenture,

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The benefit of Privy Purses had been abolished by Government of India in the year

1 Answers   RRB,

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A man travelled from the village to the post-office at the rate of 25 kmph and walked back at the rate of 4 kmph. If the whole journey took 5 hours 48 minutes, find the distance of the post-office from the village

0 Answers   Accenture,

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Ques--Input a number and then find the next higher number such that for both the number (inputted and the next higher number) in binary representation contains equal number os ones. Example: Input:3(0000000000000011) Ouput:5(0000000000000101) I want a solution in C/C++ language

2 Answers   Nagarro,

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