If the first 10 terms and the last 10 terms of the given expression are interchanged in such a way that the first term is interchanged with the last, the second with the second last, the third with the third last and soon, what will the fifth term from the right be in the new arrangement?
If the letters in the word BACKFIELDS are arranged as in the English alphabetical order, then which letter will be to the second right of the letter 'F', after the rearrangement?
A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was