Problem of numbers
If A,B,C and D are positive intigers such that :- AB=CD and A is ODD and A#B#C#D and{ B,C,D } does not have exactly 1 odd number
Then Which if the following are true
1.B+C+D IS even
2.A+B+C+D is divisible by n where n is neither a factor or a multiple of A,B,C OR D
3.A+B+C+D IS INDIVISIBLE by B,C or D
Eg:. 3X8=4X6 8+4+6 even 3+4+8+6=21 21 is divisible by 7 and indivisible by 8 4 or 6
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