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MathsEasyMCQ2017 ยท 08 Apr Online

Q66.If (27)999 is divided by 7, then the remainder is (1) 3 (2) 1 (3) 6 (4) 2

What This Question Tests

This question tests basic modular arithmetic to find the remainder of a large power when divided by a number, specifically using the property a โ‰ก -1 (mod n).

Concepts Tested

Modular arithmeticProperties of powers modulo n

Formulas Used

a^n mod m = (a mod m)^n mod m

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