Interested to Buy Any Domain ? << Click Here >> for more details...
There are 80 coins, among them one coin weighs less compared
to other. You are given a physical balance to weigh. In how
many wieghings the odd coin can be found.
- 8 Answers
- 26882 Views
- CTS, lenovo, UHG, I also Faced
- E-Mail Answers
Answer Posted / saranya
The answer is 4....The minimum weighings required is 4.
Its like this...split 80 into 40 and 40 .We can find the the
40 which has the least weight.Next split this 40 into 20 and
20 ...Then split the one that weighed less into 10 and
10....Similarly We can find the one which is less by 6
weighing. But the answer is 4(The monimum weighing)
Can anyone tel me how?
| Is This Answer Correct ? | 18 Yes | 18 No |
Post New Answer View All Answers
A tailor has 37.5 metres of cloth and he has to make 8 piecesout of a metre of cloth. How many pieces can he make out of this cloth?
A boy picks up the phone and asks" who are you?" The voice from the other side answers" I am your mother's mother in law".What is the relation of the boy with the fellow speaking at the other end.
in a railway station, there are tow trains going. One in the harbour line and one in the main line, each having a frequency of 10 minutes. the main line service starts at 5 o'clock. the harbour line starts at 5.02a.m. a man goes to the station every day to catch the first train. what is the probability of man catchinhg the first train
A work is done by the people in 24 min. one of them can do this work a lonely in 40 min. how much time required to do the same work for the second person.
A is driving on a highway when the police fines him for over speeding and exceeding the limit by 10 km/hr.same time B is fined for over speeding by twice the amount by which A exceeded the limit.If he was driving at km/hr what is the speed limit for the road?
2/3 of people read newspaper A,3/4 read newspaper B.if 38 read both and 8 didn't read any of the 2.how many read A?
Two sentences are given and we were required to print the common word in the two sentences. Words were delimited by space, full stop, ? , ! and , . The trick in the question was that common word should be printed only once so if ur first sentence contains two word "how" and second contains "how" then in output how should be printed only once for this u can replace each matched word in second sentence by spaces . i want a solution in C/C++ language
At 20% discount, a cycle is sold at a selling price of 2500 Rs. What is the actual price?
A cycled from P to Q at 10 kmph and returned at the rate of 9 kmph. B cycled both ways at 12 kmph. In the whole journey B took 10 minutes less than A. Find the distance between P and Q.
The rectangle box with square base is open at the top. The maximum volume of the box made from 1200 m2 tin,in m3 is?
Sunny ate 100 apples in five days, each day eating 6 more than the previous day. How many apples did he eat on the first day?
Asmita invests an amount of Rs. 9535 at the rate of 4 per cent per annum to obtain a total amount of Rs. 11442 on simple interest after a certain period. For how many years did she invest the amount to obtain the total sum?
In a club there are male and female members. If 15 female quit then the number of males will become double the number of males. If 45 males quit no. of female becomes five times the number of males. Find the number of females.
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.
Pankaj walks east and turns right and then from there to his left and then 45degrees to his right. In which direction did Pankaj go?
