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(#M40016165) MBA question permutations and combinations, probability Keep an EYE

In the famous game "Playwin", Raj wants to try his luck. The rules of the game requires Raj to select seven digits from 0 - 9 (both 0 and 9 inclusive). While selecting seven digits he wants to fulfil following 2 conditions. i) Digit 1 will appear exactly once in the selection. ii) The other six digits will be three non-zero digits, each appearing exactly twice. In how many ways can Raj select the seven digits?

1) 56
2) 84
3) 90
4) 51
5) None of these

Asked In MBA (11 years ago)

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