What is the area between a square of side 10 cm and two inverted semicircular cross-sections each of radius 5 cm inscribed in the square?
17.5 cm²
18.5 cm²
20.5 cm²
21.5 cm²
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