Let p, g r and s be distinct positive integers. Let p, g be odd and r, s be even. Consider the following statements : 1. (p-r)^2(qs) is even 2. (q-s)q^2s is even 3. (q+r)^2(p+s) is odd. Which of the statements given above are correct?
1 and 2 only
2 and 3 only
1 and 3 only
1,2 and 3
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