coding and decoding Model Questions & Answers, Practice Test for ibps so prelims

Directions:

In each of these questions, a group of digits is given followed by four combinations of letters and symbols numbered (a), (b),|and (d). The group of digits is to be coded as per the scheme and conditions given below. The serial number of the combination which correctly represents the group of digits is your answer. If none of the four combinations is correct, your answer is|i.e., 'None of these'.

Conditions:

1. If the first as well as the last digit is odd, both are to be coded as ©.
2. If the first as well as the last digit is even, their codes are to be swapped.
3. If '0' is the last digit, it is to be coded as *.