Assumption I is implicit because the statement indicates that the individual’s performance will be reviewed after the probation period, suggesting that performance is not known at the time of appointment.
Assumption II is also implicit as it is common for individuals to prove their worth during the probation period in order to secure a permanent position.
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?