Question
Seven persons R, S, T, U, V, W and X sit in a linear
row. All of them face towards north. T sits third to the left of X. S sits immediate right of X. U sits second to the right of S. W sits third to the right of V. How many persons sit to the right of R?Solution
T sits third to the left of X. S sits immediate right of X. Â T Â _____Â Â Â Â Â _____Â Â XÂ Â SÂ Â Â Â Â Â Â Â Â Â Â Â U sits second to the right of S. W sits third to the right of V. T Â RÂ Â Â Â Â VÂ Â XÂ Â SÂ Â WÂ U Final arrangement as shown below: TÂ Â Â Â Â Â Â Â Â RÂ Â Â Â Â Â Â Â VÂ Â Â Â Â Â Â Â XÂ Â Â Â Â Â Â Â SÂ Â Â Â Â Â Â Â WÂ Â Â Â Â Â Â U
Which of the following cannot be the probability of an event?
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