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2014-07-31T19:44:12+05:30

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i)   3!+1+3+13+7=30              [ If we solve by factorial method]
ii)   3!+3!+3!+3!+3!=30
     [3!=3×2×1=6]

[without factorial method]
Odd nos added for odd nos. of time will always give an ODD NUMBER.
Odd nos added for even no of time will give an EVEN NUMBER.
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which class are u studying
class 10 :)
ok
which state
2014-07-31T20:59:16+05:30
9+1+9+1+(9+1) BECAUSE MANY NUMBER IN A BRACKET IS SAID TO BE A SINGLE NUMBER 
THIS CAN BE SOLVED BY FACTORIAL METHOD TO
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