There are 9 coins. Out of which one is odd one i.e weight
is less or more. How many iterations of weighing are
required to find odd coin?

Answer Posted / vikram

ans: 3 iterations

divide coins in batches of 3

do 2 iterations of the batches u would know which is
defective batch and also wheather its lighter r heavier.

in another iteration of defective batch u would find
defective coin.

Is This Answer Correct ?    15 Yes 27 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Name of the cipla medicine product

4277


a man purchased 6 stamps of rupees 1 and seven stamps of 50 paise.he paid Rs. 12. how much change he got back ?

761


What is the distance travelled by a ball that falls from a height of 8 mts and each time it bounces half the distance back?

705


Two Pencils 8 cents 5 Pencils cost ?

730


A certain type of mixture is prepared by mixing brand A at Rs.9 a kg. with brand B at Rs.4 a kg. If the mixture is worth Rs.7 a kg., how many kgs. brand A are needed to make 40kgs. of the mixture?

1072






One guy (some name) has Rs. 100/- in hand. He has to buy 100 balls. One football costs Rs. 15/, One Cricket ball costs Re. 1/- and one table tennis ball costs Rs. 0.25 He spend the whole Rs. 100/- to buy the balls. How many of each balls he bought?

1560


If log 0.317=……… and log 0.318=………. Then find the value of log 0.319.

746


total balls are z, the number of red balls is n and the remaining are blak balls,then the % of black balls equal to ?

699


A thief steals half the total no of loaves of bread plus 1/2 loaf from a bakery. A second thief steals half the reaming no of loaves plus 1/2 loaf and so on. After the 5th thief has stolen there are no more loaves left in the bakery. What was the total no of loaves did the bakery have at the beginning.

909


f(X)=4f(X-1) THEN VALUE OF X=

694


A robber steals half the total no of pastry plus 1/2 tray from a pastry shop. A second robber steals half the remaining no of pastry plus 1/2 tray and so on. After the 5th thief has stolen there are no more pastry left in the pastry shop. What was the total no of pastry did the pastry shop have at the beginning.

784


58,27,12,x,2,1. Find x.

890


A cube 3"* 3"* 3" is painted green it is cut into 1"* 1"* 1" how many cubes were painted on atleast on one side

703


what is focus liner in gc hs?

1983


A company manufactures x refrigerators cp.(9000+500x0 sp=500x; what must be the value of x so that atlas the amount gained After selling is equal to the amount spent on production

813