In Option (c), "CATCH" is rearranged to form "ACCTH", which is a deviation from the pattern. The other options follow a pattern of rearranging letters where only one letter changes position. Option (c) disrupts this pattern.
The odd one out is (c) CATCH - ACCTH.
Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?