Sonu has 5 dozen toffies. He gave 1/3 of these to Amit. 2/5 of these to Anil and 1/12 of

Sonu has 5 dozen toffies. He gave 1/3 of these to Amit. 2/5 of these to Anil and 1/12 of these to Hamid. The number of toffees left with Sonu is :
(a) 9
(b) 11
(c) 5
(d) 7

Anurag Mishra Professor Asked on 26th February 2016 in Maths.
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    Answer: (b) 11

    Solution:-
    Sonu has 5 dozen toffies,
    The number of toffies  in 5 dozen = 12 x 5
    = 60

    He gave 1/3 of these to Amit = 60/3
    = 20,

    He gave 2/5 of these to Anil = 60 x 2/5
    = 24,

    He gave 1/12 of these to Hamid = 60/12
    = 5,

    The number of toffies left with Sonu = 60 – (20 + 24 + 5)
    =  60 – 49
    = 11

    Hence, the correct answer is option (b) 11.

    Anurag Mishra Professor Answered on 27th February 2016.
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