Let the coordinates of the points A, B, C be (1, 4), (6, 0), (–1, 4) and (2, –3, 1) respectively. What are the coordinates of the point D which is the foot of the perpendicular from A on BC?
(3, 4, –2)
(4, –2, 5)
(4, 5, –2)
(2, 4, 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