There are 100 doors all are closed. The below action is
taken
1) all are opened
2)all multiple of 2's are togelled ie if
open close or viceversa
.....100 times.
What is the status of the door after 100th.
Answer Posted / praveenkumar
open
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
i want epf model paper.please send me
Refer to the figure below.A ship started from P and moves at a speed of I miles per hour and another ship starts from L and moving with H miles per hour simultaneously.Where do the two ships meet? ||---g---||---h---||---i---||---j---||---k---||---l---|| PG H I J K L are the various stops in between denoted by || . The values g, h, i, j, k, l denote the distance between the ports.
if a man byes 1 lt of milk for 12 rs and mixes with 20% of water and sels it for rs 15 thgen what is percentage of gain
A car has run 10000 miles using 5 tyres interchangably,To have a equal wornout by all tyres how many miles each tyre should have run. answer 4000 miles/tyre
The ratio for Boys to Girls is 6:4. 60% of the boys and 40% of girls take lunch in the canteen. What % of class takes lunch in canteen.
Three years ago my uncle offered me a used keyboard for Rs. 1024. A year later he offered me the same for Rs. 640 and last year he wanted Rs. 400 and now he is willing to sell it to me for Rs. 250. But I have decided to buy it when he reduces the price next time. If he is constantly reducing its price, at what price will he offer the keyboard to me next?
A plane starts from a place A , it goes 1000 kms south then 1000km east then 1000 km north and 1000km west, what is it distance from the starting place? ans.same starting place.
A person who decided to go weekend trip should not exceed 8 hours driving in a day Average speed of forward journy is 40 mph. due to traffic in sundays, the return journey average speed is 30 mph. how far he can select a picnic spot
The distance b/w 2 places is 1000 miles and a man has a camel which eats an apple/mile. He has 3000 apples and want to transport from one to another. Camel can take 1000 apples at a time. when reaching the destination how many apples will be with him?
A can do a piece of work in 30 days, which B can do in 20 days. Both started the work but A left 5 days before the completion of the work. It took how many days to complete the work?
The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?
In a class total 34 students, 16 are have a brother, 15 are have sisters, 9 students don't have either brothers or sisters.Find the number of students having both brother and sisters.
The ratio of length of a rod and its shadow is 1/sqrt(3). Find the angle of elevation.
The difference b/w the compound interest payble half yearly and the simple interest on a certain sum lent out at 10% p.a for 1 year is Rs 25. What is the sum?
electrical question in diploma level