Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 2 2020 + 2021 is divided by 9, then the remainder obtained is
Text Solution
Verified by ExpertsThe correct answer is:
C
3
2 2020 = 2. 2 2019 = 2 (2 3 ) 673 =2(9-1) 673
= 2 (9 673_673 C 1 . 9 672 + 673 C 2 .9 671 + 673 C 672 9 -1)
= 2 (a multiple of 9 - 1 )
=2 2020 + 2021 = 9K + 2019
9K + 2019 when divided by 9 gives remainder 3
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