In the expansion of (x + 1/x)^2n, what is the (n + 1)th term from the end (when arranged in descending powers of x) ?
C(2n, n) x^n
C(2n, n - 1) x
C(2n, n)
C(2n, n - 1)
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