Question
A number when divided by 221 gives a remainder 13. What
will be the remainder when the same number is divided by 13?Solution
ATQ,
Let, the number be βNβ.
ATQ,
N = 221 Γ k + 13 = 13 Γ 17 Γ k + 13 = 13 Γ (17 Γ k) + 13
Since, 13 Γ (17 Γ k) is completely divisible by 13
So, if the number is divided by 13, the remainder will be 13.
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