Last Two Digits of Power
CAT 2008 Slot 1 · Quantitative Ability · Easy · Number System
This is an easy Quantitative Ability question from the CAT 2008 Slot 1 paper. It tests Number System. The full answer key and a step-by-step explanation are below — try it yourself first, then reveal the solution.
What are the last two digits of ?
- A.
21
- B.
61
- C.
01
- D.
41
- E.
81
Answer
C
Explanation
The last two digits of are always .
For example:
Since is divisible by 4, ends in .
Related Number System questions
- #894Digit Sum Seed FunctionCATQAMCQMedium
- #903Powers of Three Consecutive IntegersCATQAMCQMedium
- #942Number of integral pairs satisfying reciprocal equationCATQAMCQHard
- #951Four-digit perfect squares with repeated digitsCATQAMCQMedium
- #1024Remainder of sum of cubes divided by 70CATQAMCQEasy
- #1033Remainder of factorial sumCATQAMCQMedium
- #1035Three digit number divisibility by 7CATQAMCQMedium
- #1038Rightmost non-zero digitCATQAMCQMedium
Practise this under exam conditions
Sign in to solve it with a live timer, the on-screen CAT calculator, and streak and accuracy tracking across every question you attempt.
Solve in the workspace