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All the capital letters of the English alphabet from A to Z followed by the lower case letters from A to Z are placed one in each slot, in 52 slots around a circle in clockwise direction. All the slots are counted in the clockwise direction starting with the slot containing A, and the letter in every fifth slot is removed. How many more slots will have letters left in them immediately after M is removed from its slot?
[1] 13
[2] 14
[3] 16
[4] 12

Read Solution (Total 10)

TCS Other Question

33 people {a1, a2,....,a33} meet and shake hands in a circular fashion. In other words, there are totally 33 handshakes involving the pairs, {a1,a2}, {a2,a3},..,{a32, a33}, {a33, a1}. Then the size of the smallest set of people such that the rest have shaken hands with at least one person in the set is
(a) 10
(b) 11
(c) 16
(d) 12
A can do a work in 36 days, B can do the work in 72 days and C can do the work in 78 days.
The three take turns in working, i.e. A works on the first day, B works on the second day, C on the third day and so on.
Which day will they finish the work?

55 th day
19 th day
54 th day
17 th day