You have 8 marbles. 7 marbles weigh 1 ounce each, & one
marble weighs 1.5 ounces. You are unable to determine which
is the heavier marble by looking at them. You have a
weighing scale that consists of 2 pans, but the scale is
only good for 2 total weighings. How can you determine which
marble is the heaviest one using the scale & in 2 weighings?
- 4 Answers
- 10072 Views
- L&T, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / vivek gupta
First we have to weight
3 in one side and 3 in other side..
if It seemed to be same then try the next remaining 2.
else in case of 3 not equal 3
then the heavier side is of three r taken and then 2 are
weighted then we can distinguished which one is heavier
among these three.
| Is This Answer Correct ? | 82 Yes | 7 No |
Answer / raj
1st-weigh 3 & 3 in2 pans of weigh keep 2 in
side.
if both are equal 2nd- then weigh 1 & 1
and know which is hvy
this is ANS.....
if both are not eql
then take three which are heavy
and
2nd*- weigh 1 & 1 keep 1 in side
if they equal then this is heavy
this is ANS.....
if they are not equal
then heavier is ANS...
| Is This Answer Correct ? | 12 Yes | 0 No |
Answer / shaili & krishna
You can also put half of 8 marbels in both weigh scale means
half 4 in one & remaining half in another & then check which
scale is more heavier then avoid lighter one then take
heavier side marbels then put 2 in one weigh scale &
remaining in another. then check which is heavier take that
heavier part check it by puting one marbel in one weigh
scale & remaining in another.....
So you can get which is heavier from that 8 marbels
Suppose as example,
8
4 > 4
2 > 2
1(This is heaviest) > 1
| Is This Answer Correct ? | 11 Yes | 16 No |
There are 3 friends X,Y,Z having some chocolates each. X Gives Y and Z as many chocolates as they already have. After some days Y gives X and Z as many chocolates as they have. After some days Z gives X and Y as many chocolates as they have. Finally each has 24 chocolates. What is the original No. of chocolates each had in the beginning?
what makes a road as abroad?
1)You take a test, and 60% pass the first time and 40% fail. The second time around,80% pass the test and 20% fail. The third time, 90% pass and 10% fail. a. What is the probability that you pass on the 2nd time? b. What is the probability that you pass on the 3rd time? c. What is the probability you fail?
Two trains at speed 60 km/hr comes in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?
Five friends with surname Batliwala, Pocketwala, Talawala, Chunawala and Natakwala have their first name and middle name as follow. 1. Four of them have a first and middle name of Paresh. 2. Three of them have a first and middle name of Kamlesh. 3. Two of them have a first and middle name of Naresh. 4. One of them have a first and middle name of Elesh. 5. Pocketwala and Talawala, either both are named Kamlesh or neither is named Kamlesh. 6. Either Batliwala and Pocketwala both are named Naresh or Talawala and Chunawala both are named Naresh. 7. Chunawala and Natakwala are not both named Paresh. Who is named Elesh?
There is puzzle with the word "CONSTANTINE" and exactly don't know the question if anybody knows the Q&A plz send it ahmed.basha.munna@gmail.com
Given a sequence of integers, there are a few sequences which result in balanced binary search trees i.e., AVL trees. Write a program that takes a sequence of integers as input and outputs the number of such sequences that result in the balanced binary search trees. Input Format: Single line contains sequence of integers terminated by -1. Output format: Print the number of AVL tree possible from that input sequence. Sample Input: 1 2 3 -1 Sample Output: 2
Two identical pack of cards A and B are shuffled thoroughly. One card is picked from A and shuffled with B. The top card from pack A is turned up. If this is the Queen of Hearts, what are the chances that the top card in B will be the King of Hearts?
Silu and Meenu were walking on the road. Silu said, "I weigh 51 Kgs. How much do you weigh?" Meenu replied that she wouldn't reveal her weight directly as she is overweight. But she said, "I weigh 29 Kgs plus half of my weight." How much does Meenu weigh?
Mr. Kamal Kishore rents a private car for Andheri-Colaba- Andheri trip. It costs him Rs. 300 everyday. One day the car driver informed Mr. Kamal Kishore that there were two students from Bandra who wished to go from Bandra to Colaba and back to Bandra. Bandra is halfway between Andheri and Colaba. Mr. Kamal Kishore asked the driver to let the students travel with him. On the first day when they came, Mr. Kamal Kishore said, "If you tell me the mathematically correct price you should pay individually for your portion of the trip, I will let you travel for free." How much should the individual student pay for their journey?
In a hotel, rooms are numbered from 101 to 550. A room is chosen at random. What is the probability that room number starts with 1, 2 or 3 and ends with 4, 5 or 6?
1..Potatoes are made up of 99% water and 1% "potato matter." Jack bought 100 pounds of potatoes and left them outside in the sun for a while. When he returned, he discovered that the potatoes had dehydrated and were now only made up of 98% water. How much did the potatoes now weigh? 2..One boy can eat 100 chocolates in half a minute, and another can eat half as many in twice the length of time. How many chocolates can both boys eat in 15 seconds? 3..In the Olympic Games, the flags of six nations were flown on the masts in the following way. The flag of America was to the left of Indian tricolour and to the right of the flag of France. The flag of Australia was on the right of the Indian flag but was to the left of the flag of Japan, which was to the left of the flag of China. Find the two flags which are in the centre.
10 Answers CTS, MBA, Ramco,
English 
