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By Emery

[tex]\huge \blue{ \bold { \pmb{ \fcolorbox{gray}{black} { {\ \ddag \: \ \red{QUESTION}\ \ddag \: }}} }}[/tex]

Ramesh scored a certain average runs for 9 one day matches. When he scored 64 runs in 10th match, his average score increased by 2. How many total runs did he score in 10 matches?
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Emery

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2 thoughts on “[tex]\huge \blue{ \bold { \pmb{ \fcolorbox{gray}{black} { {\ \ddag \: \ \red{QUESTION}\ \ddag \: }}} }}[/tex]<br /><br /><b”

  2. FORMULA USED

    • Average Run = Total Run/ No. of Days

    SOLUTION

    • Let the avg. after 9 innings be x.
    • x = Runs scored in 9 innings / 9
    • Runs scored in 9 innings = 9x

    NOW Given that,

    • When he scored 64 runs in 10th match, his average score increased by 2.

    x + 2 = (9x+64)/10

    Therefore

    • (9x + 64)/10 = x + 2
    • 9x + 64 = 10x + 20
    • x = 44

    Total runs he score in 10 matches

    • 9x + 64
    • 9*44 + 64
    • 460 runs

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