A survey was conducted to know the hobby of 220 students of class 9th . Out of which 130 informed their hobby as rock climbing and 180 informed their hobby as sky watching There are 110 students who followed the both hobbies, then how many students do nat have any of the two hobbies ? How many of them follow the hobby of rock climbing only ? How many students follow the hobby of sky watching only ?
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130 students follow the hobby of rock climbing.
180 students follow the hobby of sky watching.
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