Latest MBA Aptitude Question SOLUTION: what is remainder when 7^187 devided by 800

1) 143
2) 343
3) 243
4) 743

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(#M40016152) MBA Logical Reasoning question number systems, progressions Keep an EYE

what is remainder when 7^187 devided by 800

1) 143
2) 343
3) 243
4) 743

Asked In MBA (11 years ago)

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na  (4 years ago)

Answer is 343
7^1 /800 reminder is 7
7^2 /800 reminder is 49
7^3 /800reminder is 343
7^4 /800 reminder is 71
7^5 /800 reminder is 7
7^6 /800 reminder is 49
7^7 /800reminder is 343
7^8 /800 reminder is 71
.
.
So reminder will for each 4 consecutive numbers.
when 187 is divided by we get 3 as reminder.
therefore from above explanation 343 is answer

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