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i don't know. but these are the choices
1. x
2. x(x-b)
3. x-1
4. x(a+b)
5. x+1
my co worker answer is (a+b)squared.
Bobby can u answer this? IF (A+B) IS THE COMMON FACTOR OF X(A+B)-(A+B), WHAT IS THE OTHER FACTOR?
thank you bobby.. i guess it is 24..
i dont know but these are the choices from the questionnaire, 12, 14, 18, 20 & 24.
Question:
From four numbers, how many 4-digit codes can be made if no number is repeated in a code?
Please answer it with explanation or solutions. thank you..
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