There are 6561 balls out of them 1 is heavy. Find the min. no. of times the balls have to be weighedfor finding out the heavy ball.
Choose the correct choice from the following.
A) 4 B) 5 C) 6 D) 7 E) 8
6561 if u notice is 3^8...n can be divided by 3(prime factor) only...we keep on dividing it into sets of 3 and in 1 weighing itself you can determine which set is heavy. Divide that set into further 3 lots...keep doing that..   6561   2187 2187 2187 1st weighing   729 729 729   243 243 243   81 81 81   27 27 27   9 9 9   3 3 3   1 1 1   ANswer is 8 attempts   ANSW8R:8
<result>E</result>
There are 6561 balls out of them 1 is heavy. Find the min. no. of times the balls have to be weighedfor finding out the heavy ball.