Question 917838
25% play vollyball
40% of 75% play cricket
{{{ .4*75 = 30 }}}
30% play cricket
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{{{ 25+ 30 = 55 }}}
{{{ 100 - 55 = 45 }}}
There are 45% remaining
50% of whom play football
{{{ .5*45 = 22.5 }}}
22.5% play football
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There are:
{{{ 30 + 25 + 22.5 = 77.5 }}}
who play some game
{{{ 100 - 77.5 = 22.5 }}}
22.5% don't play any game
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There are {{{ .225*120 = 27 }}}
students who don't play any game