If the positions of the first and sixth letters in the word 'BENEFACTOR' are interchanged, similarly the positions of the second and seventh letters are interchanged and so on, which letter will be seventh from the right after rearrangement?
In a certain code, '247' means 'spread red carpet', '256' means 'dust one carpet' and '234' means 'one red carpet'. Which digit in the code means 'dust'?
Explanation:
'carpet' common all =2. 'red' first and third =4. 'one' second and third =3. Remaining in second 5 or 6; 'dust' =5 or 6, from options D 6 if 5 is other.
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