Q72.Marks: +2.0UGC NET Paper 2: Computer Sc 23rd August 2024 Shift 1
Consider the given number (45)y where y is the base of the number. Some of the possible values of y are given below.
(A) 5
(B) 6
(C) 7
(D) 8
Choose the correct answer from the options given below:
1.(A), (B) and (C) Only
2.(B), (C) and (D) Only✓ Correct
3.(A), (C) and (D) Only
4.(A), (B), (C) and (D)
Solution
The correct answer is (B), (C) and (D) Only
Explanation:
To determine the valid bases y for the number (45)y , we need to ensure that all digits in the number are valid in that base. The digits in the number 45 are 4 and 5.
Valid Base Criteria:
The base y must be greater than the highest digit in the number. In this case, the highest digit is 5.