Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If 
is the remainder when 2 2021 is divided by 17, then the value of 
must be equal to
Text Solution
Verified by ExpertsThe correct answer is:
D
15
2 2021 = 2. 2 2020 = 2(2 4 ) 505 = 2(16) 505 = 2(17-1) 505
= 2 {17 505 – 505C 1 17 504 + 505C 2 17 503 ............+ 505 C 504 17 1 - 505 C 505 l}
= 2{17k-1}
= 17-2k-2 = 17 -2k-17 + 15
= 17(2k-1) + 15
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