There is meeting of 20 delegates is to be held in a hotel In how many ways these delegates can be se...........

Quantitative Aptitude ( CCS) Ratio, Proportion

There is meeting of 20 delegates is to be held in a hotel. In how many ways these delegates can be seated along a round table, if three particular delegates always seat together.

17! 3!

18! 3!

17! 4!

can’t be determined

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Explanation:

Total 20 persons, 3 always seat together, 17 + 1 =18 delegates can be seated in (18 -1)! Ways = 17! And now that three can be arranged in 3! Ways. So, 17! 3!