There are 8 balls that look identical. One of them weighs
less than the others. Given a weighing scale, how will you
find this ball.
Answer Posted / shree
PEOPLE ..WE ARE NOT OPTIMIZING ON THE SOLUTION!!
WE NEED TO HAVE A SET OF 2 EACH ...I.E 2*4 GROUPS
THEN WEIGH ANY SETS .. IF U GET THE ODD BALL IN THE FIRST
WEIGHING , U MAY SIMPLY REJECT THE REMAININ 4 BALLS AND
LATER U MAY PROCEED AS DISCUSSED ABOVE..ELSE IF NOT IN FRST
ATTEMPT U MAY PROCEED ..AS THE CONVENTION AND STILL GET A
MAX OF 3 WEIGHING REQUIRED
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
The main line train starts at 5.00AM and the harbor line train starts at 5.02AM. Each train has the frequency of 10 minutes.If a guy goes in the morning at a random time what is the probability of he getting main line train?
Find the Series number: 2,5,9,19,37,..
There are 12 boys and 15 girls, How many different dancing groups can be formed with 2 boys and 3 girls. Which of the following fractions is less than 1/3?
g[0]=1,g[1]=-1,g[n]=2*g[n-1]-3*g[n-2] then calculate g[4]= ?
one man or two women or three boys can do a work in 44 days then one man, one women and one boy together can fininsh the same work in ---- days
The number 0.05 is what percent of 20?
To 15 lts of water containing 20% alcohol, we add 5 lts of pure water. What is % alcohol.
How do you convince the retailer to sell you product?
Ganesh and Shankar travel abroad and take more luggage than the airlines allow. They have to pay extra money for it. They carry 52 kgs together and pay $60 and $100 respectively. Now, if the same luggage was carried by only Ganesh it would cost him $340. If the airlines charges only at one rate for extra luggage what is the maximum luggage that a person can carry without paying extra?
A car is filled with four and half gallons of fuel for a round trip.If the amount of fuel taken while going is 1/4 more than the amount taken for coming, what is the amount of fuel consumed while coming back?
Refer to the figure below.A ship started from P and moves at a speed of I miles per hour and another ship starts from L and moving with H miles per hour simultaneously.Where do the two ships meet? ||---g---||---h---||---i---||---j---||---k---||---l---|| PG H I J K L are the various stops in between denoted by || . The values g, h, i, j, k, l denote the distance between the ports.
A sum of money becomes 2.5 times itself at 12.5% simple interest p.a. What should be the period of investment to get this much return?
If the area of a square increases by 69%, then the side of the square increased by
There are 19 horses in a stable. All but eight died. How many will be left in the stable?
There are two trees in a lawn. One grows at a rate 3/5 of the other in 4 years. If the total growth of trees What is the height of the smaller tree after 2 years