Six identical cards are placed on a table. Each card has one letter written on it: two cards have the letter A, two cards the letter B and two cards the letter C. If the cards are well shuffled and then placed in a row, what is the probability that the cards with the same letters are not placed adjacent to each other?
1/5
1/6
1/3
2/5
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