MCQ
Which of the given qualities is a vector:
  • Speed
  • B
    Time
  • C
    Weight
  • D
    Volume

Answer

Correct option: A.
Speed
Speed is a vector quantity as it has both magnitude and direction. Time, weight, volume have only magnitude and no direction. they all are scalar quantity.

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Football teams $T_1$ and $T_2$ have to play two games against each other. It is assumed that the outcomes of the two games are independent. The probabilities of $T_1$ winning, drawing and losing a game against $T_2$ are $\frac{1}{2}, \frac{1}{6}$ and $\frac{1}{3}$, respectively. Each team gets $3$ points for a win, $1$ point for a draw and $0$ point for a loss in a game. Let $X$ and $Y$ denote the total points scored ky teams $T_1$ and $T_2$, respectively, after two games.

($1$) $P(X>Y)$ is

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