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Find last two digits of (1021^3921)+ (3081^3921)
Read Solution (Total 12)
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- last 2 digit of 1021^3921 is 21
last 2 digit of 3081^3921 is 81
21+81=102
thus,last 2 digit is=02
- 11 years agoHelpfull: Yes(16) No(0)
- 1021^3921 + 3081^3921=21+81=02
last digit =02 - 11 years agoHelpfull: Yes(3) No(0)
- last 2 digit are 01
as 1021^3921=last digit 21
and 3081^3921 =last digit 81
add both last digit will be 102====so last two digit is 02 - 11 years agoHelpfull: Yes(1) No(0)
- last 2 digit= 02
- 11 years agoHelpfull: Yes(1) No(0)
- last 2 digit are 01
as 1021^3921=last digit 41
and 3081^3921 =last digit 61
add both last digit will be 01 - 11 years agoHelpfull: Yes(0) No(3)
- answer is 02
- 11 years agoHelpfull: Yes(0) No(1)
- in 1021^3961, last 2 digits are 21..similarly in 3081^3921 =81
21+81=102
hence last 2 digits are 02
- 11 years agoHelpfull: Yes(0) No(0)
- last 2 digits of 1021^3921 is 21
last 2 digits of 3081^3921 is 81
therefore, 21+81=102
so the last 2 digit is = 02 - 11 years agoHelpfull: Yes(0) No(0)
- 2^1 + 8^1
=2 + 8
that is ,21+81=102
so,02 is ans - 11 years agoHelpfull: Yes(0) No(0)
- period if 21 and 81 is 5
hence 21^3921=21 and 81^3921=81
81+21=02
hence 02 is answer - 11 years agoHelpfull: Yes(0) No(0)
- 2 any power of will give the lasr digit 1 then add
- 11 years agoHelpfull: Yes(0) No(0)
- 1^x=1
x=any integer
1021^3921 last digits are 21
3081^3921 last digits are 81 (tenth place digit 8 multiplied with unit digit in power)
so ans=102 - 11 years agoHelpfull: Yes(0) No(0)
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