Consider the following: 1. cos 75° / sin 15° = sin 12° / cos 78° = cos 18° / sin 72° = 1 2. cos 35° / sin 55° = sin 11° / cos 79° = cos 28° / cosec 62° = 1 3. sin 80° / cos 10° = sin 59° / sec 31° = 0 Which of the above 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