Noxy416 wrote:
Of the three-digit positive integers whose three digits are all different and nonzero, how many are odd integers greater than 700?
(A) 84
(B) 91
(C) 100
(D) 105
(E) 243
[Reveal] Spoiler:
What am i doing wrong in this question?
Number of options for the hundreds digit =3
Number of options for the Units digit =4
Number of options for the Units digit = 8
Total number of options- 3 x 8 x 4 = 96
Please help
Number of options for the hundreds digit =3
Number of options for the Units digit =4
Number of options for the Units digit = 8
Total number of options- 3 x 8 x 4 = 96
Please help
Start with the digit under most constraints
1. Units digit can have 4 values i.e., 1,3,5,9 and 1,3,5,7
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