Which number does not fit the following series
0 6 24 60 120 216 336
Which is the missing letter ? A,B,C,D,- ?
If the following words were rearranged in alphabetical order as in dictionary which will income in the third place
5*0.5* 0.05*0.005 = ?
1668 + 8756 - 2817 = ?
Questions 84 - 86 ,Four words are given in each. Three words can be grouped together applying in principle. One word does not belong to the group find it.