Let Q be the image of the point P(–2, 1, –5) in the plane 3x – 2y + 2z + 1 = 0. Consider the following : 1. The coordinates of Q are (4, –3, –1). 2.PQ is of length more than 8 units. 3.The point (1, –1, –3) is the mid-point of the line segment PQ and lies on the given plane. Which of the above statements are correct ?

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