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Aptitude · Q510

Number System

Competitive Exams · Aptitude · question 510

Q510

The unit's digit of 132003 is :

A.
1
B.
3
C.
7
Answer
D.
9

Answer: Option C

Solution

Answer: Option C
Solution:
34 gives unit digit 1
So, (34)500 gives unit digit 1
And, 33 gives unit digit 7
∴ (13)2003 gives unit digit = (1 × 7) = 7