The outside rearview mirror of modern automobiles is marked with warning “objects in mirror are closer than they appear”. Such mirrors are
plane mirrors
concave mirrors with very large focal lengths
concave mirrors with very small focal lengths
convex mirrors
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