Consider the following in respect of sets A and B: 1.A ⊆ B ∪ B = A 2.(A - B) ∪ (B - A) = A ∪ B 3.(A - B) ∩ (B - A) = ∅ 4.A ⊆ B ⇒ A ∪ B = B Which of the above 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