If 2s = a + b + c, then what is s^2 + (s - a)(s - b) + (s - b)(s - c) + (s - c)(s - a) equal to ?
(a + b + c)^2
ab + bc + ca
2(ab + bc + сa)
3(ab + bc + сa)
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
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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