there are 27 coins in which 0ne is heavier than rest(all
equal weight).how many measurements are needed to isolate
that odd one.

Answers were Sorted based on User's Feedback



there are 27 coins in which 0ne is heavier than rest(all equal weight).how many measurements are ne..

Answer / uchaitu1

Three Measurements.

Take three Divisions each
9 9 9 Odd one goes out in First Measurement
Again take three divisions
3 3 3 Odd one goes out in Second Measurement
Again take three divisions
1 1 1 Odd one comes into ur hand in Third
Measurement

Is This Answer Correct ?    10 Yes 2 No

there are 27 coins in which 0ne is heavier than rest(all equal weight).how many measurements are ne..

Answer / dinesh

four measurement

take 13 coins(26 coins) in each hand
wt is equal then 27 th coin has heavier wt

else
take 6 coins(12 coins) in each hand-which has more wt
wt is equal then 13 th coin has heavier wt

else
take 3 coins(6 coins) in each hand-which has more wt

take 1 coins(2 coins) in each hand-which has more wt
wt is equal then 3rd coin has heavier wt

Is This Answer Correct ?    2 Yes 3 No

Post New Answer

More General Aptitude Interview Questions

what is the max. length of instream data that can be given?

0 Answers  


If "basis points" are defined so that 1 percet is equal to 100 basis points, then 75.5 percet is how many basis points greater than 65.5 percent? a) .01 b) .10 c) 10 d) 100 e) 1000

2 Answers  


i want some model question papers in banking sector

1 Answers   HDFC,


A circle is inscribed in a Triangle of side 6cm. What is the area of circle?

7 Answers   CTS,


2 men at same tym start walking towards each other from A n B 72 kms apart. sp of A is 4kmph.Sp of B is 2 kmph in 1st hr,2.5 in 2nd, 3 in rd. n so on…when will they meet i in 7 hrs ii at 35 kms from A iii in 10 hrs iv midway

7 Answers   Cap Gemini,


sbi clerical previous questionpapers

0 Answers   State Bank Of India SBI,


A bus started from the bus stand at 8 Am and after staying 30 minutes at a destination return back to the bus stand. The Destination is 27 miles from the bus stand . The Speed of the bus is 18mph . In the return journey the bus travells with 50% fast speed.At what time it is return to the bus stand ?

4 Answers   Accenture, TCS, WES,


The average salary of Ram, Shyam and Sundar is 95 Rs. per week. If Ram earns Rs.115 and Shyam earns Rs.65.What is the salary of Sundar.

1 Answers   Cap Gemini,


If 9 examiners can examine a certain number of answer books in 12 days , working 5 hours a day ; for how many hours a day would four examiners have to work in order to examine twice the number of answer books in 30 days ?

6 Answers  


There are 100 doors all are closed. The below action is taken 1) all are opened 2)all multiple of 2's are togelled ie if open close or viceversa .....100 times. What is the status of the door after 100th.

7 Answers   Vizag Steel,


i want questions asked in interview

1 Answers  


x + 4 y relation between x and y is x/2y = 3/2 ie x = 3y find the x -2y ratio

1 Answers   IIT Delhi,


Categories