1. 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 etc. When Mahesh arranges chairs 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
(c) 539
(b) 143
(d) 209
(ii) If one chair is removed, which arrangements are possible now?
(a) 2
(b) 3
(c) 4
(d) 5
(iii) If one chair is added to the total number of chairs, how many chairs will be left when arranged in 11’s.
(a) 1
(b) 2
(c) 3
(d) 4
(iv) How many chairs will be left in original arrangement if same number of chairs will be arranged in 7’s?
(a) 0
(b) 1
(c) 2
(d) 3
(v) How many chairs will be left in original arrangement if same number of chairs will be arranged in 9’s?
(a) 8
(b) 1
(c) 6
(d)
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(i)143
(ii)4
(iii)2
(iv)0
(v)6
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