If the magnitudes of two vectors a and b are equal then which one of the following is correct?
(a + b) is parallel to (a - b)
(a + b) · (a - b) = 1
(a + b) is perpendicular to (a - b)
None of the above
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