maths
Maths Puzzle
Logical Reasoning
Decision Making and Problem Solving
Q. There are 9 balls of these one is defective. Find the minimum no. of chances of finding the defective one.2
Read Solution (Total 4)
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- 2 chances.
Split 9 balls in to 3,3,2.
1)1st weigh both 3 balls. if it is equal then it is present in the rest of the two balls. we can easily detect from that two.
2)If it is present in any of the 3 balls,
then split that again in to 1,1,1;
now weigh any two balls.... if it is equal, the rest is defective. - 10 years agoHelpfull: Yes(2) No(5)
- Right answer btao yr
- 10 years agoHelpfull: Yes(0) No(0)
- right answer 3 hai.......... divide it into 5& 4 & then do the same
- 9 years agoHelpfull: Yes(0) No(1)
- 1/9
using probability taking one of 9 balls is 1/9 - 4 years agoHelpfull: Yes(0) No(0)
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