If (a + b), 2b, (b + c) are in HP, then which one of the following is correct?
a, b and c are in AP
a – b, b – c and –a are in AP
a, b and c are in GP
a – b, b – c and c – a are in GP
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