The probability of a man hitting a target is 1/5. If the man fires 7 times, then what is the probability that he hits the target at least twice?
1−(3/4)^6(4//5)
1−(3/5)^7(4/5)
1−(11/5)(4/5)^6
1−(11/5)(4/5)^7
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy