Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the ot

Question

Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the other?​

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Eva 1 month 2021-08-16T16:42:46+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-16T16:44:05+00:00

    ANSWER:

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    Given:

    \longrightarrow 5 flags of different colours

    \longrightarrow2 flags required for Signal

    SOLUTION:-

    \longrightarrowNumber of flags possible for upper flag = \bf{5}

    \longrightarrowOne of the flag is taken, therefore, the number of flags remaining for lower flag in the signal is \bf{4}

    \longrightarrowThe number of ways in which signal can be given

    \implies{5 \times 4}

    \bf{\implies{20}}

    ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

    Therefore, \bf{20} different signals can be generated if each signal requires the use of 2 flags, one below the other.

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    0
    2021-08-16T16:44:25+00:00

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    \Large\fbox{\color{purple}{QUESTION}}

    Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the other?

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    \bf\Huge\red{\mid{\overline{\underline{ ANSWER }}}\mid }

    ➡️Given 5 flags of different colours

    Given 5 flags of different coloursWe know the signal requires 2 flags.

    ➡️The number of flags possible for upper flag is 5.

    ➡️Now as one of the flag is taken, the number of flags remaining for lower flag in the signal is 4.

    ➡️The number of ways in which signal can be given = 5 × 4 = 20.

    \Large\mathcal\green{FOLLOW \: ME}

    \Large\mathcal\green{FOLLOW \: ME} ━━━━━━━━━━━━━━━━━━━━━━━━━

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