( )+( )+( )+( )+ ( ) #30 by using 1,3,5,7,9,11,13,15
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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.
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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