Which one of the following years will have the same calender as of 2009?

Which number has same property as of the following numbers? (957, 777, 876)

Which number will come next in the following series? 8, 15, 28, 53, ?

If '+' means '×', '−' means '÷', '×' means '+' and '÷' means '−', then which one of the following equations is correct?

8th term of the following series will be : 2, 6, 18, 54, ...

If "No scientists are philosophers" is true, which one of the following propositions is true?