Aptitude - Probability - Discussion
You Are Here :: Home > Arithmetical Ability > Probability - Discussion
Q. | A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at random from this box. The probability that at least one of these is defective is |
|||||||
|
Answer: | Option B | |
Explaination: |
|
Discussion
Your Comments Goes here... |
Name | Discussion |
---|