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.

Answer Posted / sushil

1/80 using probability

Is This Answer Correct ?    13 Yes 32 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

There are some 20 Basketball players & 30 Football players, and 25 cricket players. 1 of them plays all the three games. 8 of them plays at least two games. They are 50 altogether. How many of them plays none of the games.

1089


When I was married 10 years back my wife was the sixth member of my family. Now I have a baby. Today my father was dead and I had a new baby. Now the average age of my family is the same as that when I was married. Find the age of my father when he was 60.

661


Next number in the series: 77,49,36,18,?

706


Two trains at speed 60 km/hr come in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?

757


What is the height of the cone of diameter 12 cm that is formed after melting a sphere of 6 cm diameter?

640






Daal is now being sold at Rs. 20 a kg. During last month its rate was Rs. 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?

937


A invests $12000, B invests $8000, C invests $6000 and they got a profit of $1200. How much share A got more than B and C?

947


Need Questions Related To Quants

1342


Find the next letter in the series B,F,J,P ---

803


USA + USSR = PEACE ; P + E + A + C + E = ?

1168


Package information is stored in a) DB2 Directory b) DB2 system tables c) DB2 catalog tables d) None of the above

1657


what is the angle between two hands of a clock when time is 8-30

750


Mahesh and Ramesh are questioners. The time taken by Mahesh and make a question is double of that taken by Ramesh. If Mahesh made 3/2 questions less each minute and Ramesh made 3 questions less each minute, to make m questions, the time taken by Ramesh would be 2n minutes less than that taken by Mahesh. If Ramesh takes n minutes to make m questions, find the number of questions that Ramesh can make in a minute?

713


In an exam, a girl scores 85% in one subject and 88 % in another subject. What percentage does she score in the third subject to get an average of 88% marks?

668


Four circles are drawn from the corners of a square of area 49 cm2. Find the area of 4 circles outside the square (they didn't mention that circles have radius=1/2 side of a square)?

750