We are here with alphanumeric problems which are being repeated asked in competitive exams. These problems constitute 3-5 marks questions in these exams.
Directions (1-5): Study the following arrangement carefully and answer the following questions given below:
Q1. If ‘1’ is added to all even digits in all the numbers, in which of the following numbers will the difference between the first and second digit be less than two ?
(a) 625
(b) 843
(c) 236
(d) 758
(e) 417
Q2. If in each number all the digits are arranged in ascending order within the number, then what will be the difference between lowest and highest number thus formed?
(a) 431
(b) 469
(c) 530
(d) 433
(e) 429
Q3. If all the numbers are arranged in descending order, then what will be the difference between the second digit of highest number and third digit of second highest number?
(a) 1
(b) 2
(c) 4
(d) 5
(e) 0
Q4. If in each number first digit is replaced by the second digit, second digit is replaced by the third digit and third digit is replaced by the first digit, then which number will be the second lowest?
(a) 625
(b) 843
(c) 236
(d) 758
(e) 417
Q5. If in each number, the first and the third digits are interchanged, and then which number will be the highest?
(a) 843
(b) 417
(c) 236
(d) 758
(e) 625
Answers:
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