Latest self Aptitude Question SOLUTION: In the word RAINBOW how many words are there in which A is always before I and I is always before O? a)840 b)420 c)720 d)none of these please explain the method clearly

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(#M40008891) SELF question permutations Keep an EYE

In the word RAINBOW how many words are there in which A is always before I and I is always before O?
a)840
b)420
c)720
d)none of these

please explain the method clearly

prithviraj sanningannavar (12 years ago)

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