Mahesh works as a manager in a hotel. He has to arrange seats in hall for a function. A hall has a certain number of chairs. Guests want to sit in different groups like in pairs, triplets,quadruplets, fives and sixes e tc. WhenMahesharrangeschairs in such pattern like in 2’s, 3’s, 4’s 5’s and 6’s then 1, 2, 3, 4 and 5 chairs are left respectively. But when he arranges in 11’s, no chair will be left.. (i) In the hall, how many chairs are available? (a) 407. (b)143 (c) 539. (d) 209 (ii) If one chair is removed, which arrangements ...