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 ?
Answer Posted / honey goel
45 is the corrct one...many answers above r not counting the persons who hav been told earlier!!
| Is This Answer Correct ? | 0 Yes | 1 No |
Post New Answer View All Answers
starting from 2 upto how many numbers we need to check whether 907 is prime or not?
If the area of a square has increased by 69%,by what % has its side increased?
In covering a distance of 30 km, abhay takes 2 hours more than sameer. If abhay doubles his speed, then he would take 1 hour less than sameer. Abhay's speed is?
i want rrb tc exam previous pepers
500 men are arranged in an array of 10 rows and 50 columns . ALL tallest among each row are asked to fall out . And the shortest among THEM is A. Similarly after resuming that to their original positions that the shortest among each column are asked to fall out. And the longest among them is B . Now who is taller among A and B ?
Difference between the perimeters of two concentric circles is 66. Find the difference between radius.
Two trains 100 meters and 120 meters long are running in the same directions with speed of 72 km/hr and 54 km./hr. in how much time will the first train cross the second?
What is the 12th term of the series 2, 5, 8, ....
In a cycle race there are 5 persons named as J, K, L, M, N participated for 5 positions so that in how many number of ways can M make always before N?
There are two balls touching each other circumferentially. The radius of the big ball is 4 times the diameter of the small ball.The outer small ball rotates in anticlockwise direction circumferentially over the bigger one at the rate of 16 rev/sec. The bigger wheel also rotates anticlockwise at N rev/sec. what is 'N' for the horizontal line from the centre of small wheel always is horizontal.
There are 1000 junior and 800 senior students in a class. And there are 60 sibling pairs where each pair has 1 junior and 1 senior.1 student is chosen from senior and 1 from junior randomly.What is the probability that the two selected students are from a sibling pair?
L:says all of my other 4 friends have money M:says that P said that exact one has money N:says that L said that precisely two have money O:says that M said that 3 of others have money. P:Land N said that they have money. all are liers.Who has money&who doesn't have?
Radha, Geeta & Revathi went for a picnic.After a few days they forgot the date,day and month on which they went to picnic.Radha said that it was on Thursday,May 8 and Geeta said that it was Thursday May 10.Revathi said Friday June 8.Now one of them told all things wrongly,others one thing wrong and the last two things wrongly.If April 1st is tuesday what is the right day,date and month?
if the sum of five consecutive nos. 35? how many prime numbers are there :
A boy multiplied a number with 10 and got 100,instead of dividing it . If he divided it what would be the answer?