You have 5 jars of pills. Each pill weighs 10 gram, except for
contaminated pills contained in one jar, where each pill
weighs 9 gm. Given a scale, how could you tell which jar had
the contaminated pills in just one measurement?
Answer Posted / bharathi sundaravadivel
1]Suppose there are 5 jars and one physical balance,take any 4 out of them and place 2 jars on each side of the scale remains horizontal,then the remaining jar has the contaminated pills.
2] Else if the balance shifts to one side then the contaminated jar must be on the side which is lifted upwards.so remove one of the jars from either side. if the balance is still tilted to one side then the jar which is left on the side which is tilted is the contaminated jar.
3] If the balance becomes horizontal when you removed it, the jar you removed from the previously tilted jar is the required contaminated jar.
| Is This Answer Correct ? | 0 Yes | 10 No |
Post New Answer View All Answers
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?
If p/q = 5/4 , then 2p+q= ?
(998-1)(998-2)(998-3).....(998-n)= ? when n>1000
If the graphs of the equations x + y = 0 and 5y + 7x = 24 intersect at (m, n), then the value of m +n is?
Number of digits with a 2 in them between 100 and 400?
Sister's age is twice than that of the brother. If the brother's age is six, what is the sister's age after two years?
rrb second stage written exam in aptitude test model papers
epaulet : shoulder : : ring :?
A moves 3 kms east from his starting point . He then travels 5 kms north. From that point he moves 8 kms to the east.How far is A from his starting point?
500 men are arranged in an array of 10 rows and 50 columns . ALL tallest among each row are asked to fall out . And the shortest among THEM is A. Similarly after resuming that to their original positions that the shortest among each column are asked to fall out. And the longest among them is B . Now who is taller among A and B ?
Ms. Neelam deposits an amount of Rs. 16420 at simple interest and obtained 25451 at the end of 5 years. What was the rate of interest per year?
Dinesh is seated 7 from the left and satish is seated 12 from the right. when they interchange their positions, dinesh is seated 22nd from the left. How many people are there?
1, 11, 21, 1211, 111221, 312211, . . . . . what is the next term in the series?
There are 150 weights .Some are 1 kg weights and some are 2 kg weights. The sum of the weights is 260.What is the number of 1kg weights?
In a class there are 45 pupil, out of them 12 are in debate only and 22 in singing only. Then how many in both?