Consider the following in respect of two events A and B : 1.P(A occurs but not B) = P(A) - P(B) if B ⊂ A 2.P(A alone or B alone occurs) = P(A) + P(B) - P(A ∩ B) 3.P(A ∪ B) = P(A) + P(B) if A and B are mutually exclusive Which of the above is/are correct ?

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