1.{(u, p), (v, p), (w, p), (x, q), (y, q), (z, q)}
2.{(u, p), (v, q), (w, r), (z, s)}
3.{(u, s), (v, r), (w, q), (u, p), (v, q), (z, q)}
4.{(u, q), (v, p), (w, s), (x, r), (y, q), (z, s)}
Which of the above relations are not functions?
1 and 2
1 and 4
2 and 3
3 and 4
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