Interested to Buy Any Domain ? << Click Here >> for more details...
A secret can be told only 2 persons in 5 minutes .the
same person tells to 2 more persons and so on . How long
will take to tell it to 768 persons ?
- 20 Answers
- 51931 Views
- Cognizant, CTS, DCE, I also Faced
- E-Mail Answers
Answer Posted / krishna
1 person told 2 persons in 5 min
so these 3 will tell 6 persons in 10min
3-6-10min
9-18-15min
27-54-20min
81-162-25min
243-486-30min
so 243+486=729 people know the secret
768-729=39
these 39 people will get to know in another 5 mins so 35 is the ans
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
the minimum of (2x+1)**2 + (x+2) is at x =
If A/B = 3/5,then 15A = ?
the ticket sales s for a company increases 25% from standard sales to 60 tickets sold, then 60 - s =:
A family has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?
in a single throw of dice ,the chance of throwing a total of 3 is
One dollar is saved in one month. Then how much dollar is saved in one day?
.Both A and B Alice and Bob play the following chip-off-the-table game. Given a pile of 58 chips, Alice first picks at least one chip but not all the chips. In subsequent turns, a player picks at least one chip but no more than the number picked on the previous turn by the opponent. The player to pick the last chip wins. Which of the following is true?
A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination which is in north west direction.Given the latitude and longitude of source and destination. Find the local time of destination when the flight reaches there?
In which year will the 21st century begin?
Area of triangle=(1/2)*b*h base increased by 4 times & height is divided by 2, the net effect of area?
If wind flows 160 miles in 330 min, for 80 miles how much time required.
A person has his own coach&whenever he goes to railway station he takes his coach.One day he was supposed to reach the railway station at 5 O'clock.But he finished his work early and reached at 3 O'clock. Then he rung up his residence and asked to send the coach immediately. He came to know that the coach has left just now to tje railway station. He thought that the coach has left just now to the railway station.He thought that he should not waste his time and started moving towards his residence at the speed of 3mi/hr.On the way,he gets the coach and reaches home at 6 o'clock.How far is his residence from railway station.
A man drives at a speed of 40 miles/hr. His wife left 30 mins. late with 50 miles/hr speed. when will they meet ?
a bus started from bus stand at 8.00am and after 30min staying at destination it returned back to the buss tand.the destination is 27 miles from the bustand the speed of the bus 50percent fast speed at what time it returns to the bustand.
If x,y,z are chosen frm -3,1/2,2 what is the largest value of (x/y)*z*z
