0
There are 6561 balls out of them 1 is heavy Find the min no of times the balls have to be weighed for finding out the heavy ball?
Wiki User
∙ 13y ago
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
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
What does thrice as many red balls as green balls means?
Thrice means three times as many. If you have two green balls, it would mean you have six red balls.
How is finding the area of a triangle different from finding the area of a rectangle?
the area of a triangle is base times height times one half and rectangle is length times width
The formula to finding the area of a triangle?
length times width times height
What is the formula for finding volume of a house?
length times width times height
What is the formula of finding the circumference of the pipe?
diameter times 3.14159
There are 6561 balls out of them 1 is heavyFind the min no of times the balls have to be weighed for finding out the haevy ball?
6561 2187 2187 2187 1st stage 729 729 729 2 stage 243 243 243 3 stage 81 81 81 4 stage 27 27 27 5 stage 9 9 9 6 stage 3 3 3 7 stage 1 1 1 8 stage
How many times should a resident be weighed in a month?
2
9 balls of same color and size One out of them is of different weight Given a weighing balance how you will identify the odd-one in fewest attempts?
Weigh 3 balls at a time. The set of 3 that weighs more will have the heavy ball in it. Now weigh each of those 3 balls one at a time. This method uses the scale 4 or less times, depending on how soon you are able to find the heavy ball.We cannot assume the ball is heavier.
What is One kilogram is times what as heavy as one gram?
1000 times as heavy.
What the shtballs?
there are many times of ballsthere are meatballs in spaghetti, there are bouncy balls, basketballs, footballs, squash balls, tennis balls e.t.c in sport, male balls e.t.c
What does thrice as many red balls as green balls means?
Thrice means three times as many. If you have two green balls, it would mean you have six red balls.
Witch president weighed over 300 pounds?
William Howard Taft is the US President that weighed over 300 pounds, at times. When he left the White he weighed around 340 pounds. He was down to 244 pounds the year before he passed away.
How many times has the Amazon flooded?
Lick my balls
How is finding the area of a triangle different from finding the area of a rectangle?
the area of a triangle is base times height times one half and rectangle is length times width
Can the combined weight exceed the GVW?
gvw means GROSS VEHICLE WEIGHT. so no the combined weight cannot,or rather should not exceed gvw and if you do exceed the gvw,and get weighed,there are heavy fines and a lot of times vehicle is not allowed to be moved until excess weight is removed
What happens when two balls collide?
When two balls collide, energy is transferred into sound and deformation, but momentum remains the same. The mass times velocity of the balls is constant.
What is dose per body kg weight?
amount per weight. ie if 1 weighed 67kg and someone else weighed 100kg, that person would have 1.5 times the dose level that I do
