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. If 223 is divided by 5, what is the remainder? |
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Answer» can u explain in simpler form plz I'm a science student which grade can u specify the question is from which book that's a question in vro exam paper what is vro exam can u let me know it's xam conducted for the post of -village revenue officer ohh... ok fine.. there are other tactics but they will take to much time here I used a technique called modulo arthematic which will solve such question in seconds. OK alright thanq Ok you can also use this..observe that2¹ → 2 , 2²→ 4 , 2³→ 8 , 2⁴→1(6) 2^5 →3(2) , 2^6→ 6(4)... And so on.. So 2²³ = 2^(4n+3) = 2⁴ⁿ.2³ = 2⁴ⁿ.8. And 8/5 gives remainder as 3. |
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