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
- 19295 Views
- TCS, Zoho, I also Faced
- E-Mail Answers
Answer Posted / kiruthika.s
All the odd number lockers are opened,all the even number lockers are closed
| Is This Answer Correct ? | 2 Yes | 13 No |
Post New Answer View All Answers
A batsman scored 120 runs including 16 fours and 2 sixes. What percentage of his total score did he make by running between the wickets?
sadrine's avg on four tests is 80 which of the following cannot be the number of tests on which she earned exactly 80 points
Sum of a series of n numbers is n+8. Find second (or second last) no.
In a journey of 15 miles two third distance was travelled with 40 mph and remaining with 60 mph.How much time the journey takes...
sum of 5 consecutive numbers is 35. how many of the numbers are prime:
Two circles , one circle is inscribed and another circle is N outscribed over a square. What is the ratio of area of inner to outer circle.
Every station in N rail road issue every other station's ticket. some stations are added.Now they have to issue 46 more tickets. say the No.of stations after and before added.
If a and b are positive integers and (a-b)/3.5 = 4/7, then the relation between a and b is
Here are 140,0000 pencils out of which 80 % of pencils have average length of 5 inch. What will be the total length, if they are kept one over another? What will be the distance in miles?
Reversing the digits of father's age we get son's age. One year ago father was twice in age of that of his son? find their current ages?
A clock with the hours round the face in Roman block numbers, as illustrated in the sketch fell down and the dial broke into four parts....
If the vertex (5,7) is placed in the memory. First vertex (1,1) ?s address is 1245 and then address of (5,7) is ----------
Argentina had football team of 22 player of which captain is from Brazilian team and goalki from European team. For remaining player they have picked 6 from Argentinian and 14 from European. Now for a team of 11 they must have goalki and captain so out of 9 now they plan to select 3 from Argentinian and 6 from European. Find out no. of methods available for it
A sales person multiplied a number and get the answer is 3, instead of that number divided by 3. What is th answer he actually has to get? 1/3
A theif steals half the total no of loaves of bread plus 1/2 loaf from a backery. A second theif steals half the remaing no of loaves plus 1/2 loaf and so on. After the 5th theif has stolen there are no more loaves left in the backery. What was the total no of loaves did the backery have at the biggining.
