Interested to Buy Any Domain ? << Click Here >> for more details...
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
- 19649 Views
- TCS, Zoho, I also Faced
- E-Mail Answers
Answer Posted / dhinesh
The perfect squares' lockers are open => 1,4,9,16,25,36,49,64,81,100. and others are closed...
| Is This Answer Correct ? | 77 Yes | 2 No |
Post New Answer View All Answers
Find the next series: SE QU EN TI ?
Sum of 5 consecutive numbers is 35. How many of the numers are prime:
I want Canara Bank Question papers ? if u have this one send my mail. id - kuruba.sreekanth@gmail.com -regards
A & B are playing a game .There are 8 oranges in a row on the table.one Player can take 1-4 oranges in a pick (a maximum of 4),one who picks the last orange wins the game.'A' plays first How many oranges should he pick first time inorder to win the game.
Hi, Can anybody please send me the last year question papers of Oriental Bank of Commerce PO exam. My email ID is: yamini.friend14@gmail.com Thanks.
If 15 pens costs Rs.90..then what will be the cost of 22pens?
I and two of my friends were playing a game. For each win I get Rs 3. Totally I had three wins. Player 2 got Rs.9 and player 3 got Rs 12. How many games had been played?
15 software functions are there. It is known that atleast 5 of the m are defective. What is the probability that if three functions are chosen and tested, no errors are uncovered.
The minimum number of digits required to form every number which is greater than 900 and less than 9,000 is:
If INDIA = JOEJB then BSNZ =?
No of financial emergency announced by president
If A=Z, B=Y, C=X, .......... Z=A, Then GROUP = ?
find the next term 0, 6, 24, 120, -
A sphere of 10.5 cm radius is melted. It is then casted into a cuboid of maximum volume. What will be the total surface area of such cuboid?
A sum of Rs 312 is divided among 100 boys and girls such that every boy gets an amount of Rs 3.60 and every girl gets 2.40 Rs. Calculate the number of girls in the group.
