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When a number is divided by 63 the remai...

When a number is divided by 63 the remainder is obtained as 26. What will be the remainder when the number is divided by 3?

A

1

B

2

C

3

D

5

Text Solution

AI Generated Solution

The correct Answer is:
To solve the problem step by step, let's denote the number as \( x \). ### Step 1: Understand the given information According to the problem, when the number \( x \) is divided by 63, the remainder is 26. This can be expressed mathematically as: \[ x = 63k + 26 \] where \( k \) is some integer (the quotient). ### Step 2: Find the relationship with 3 We need to find the remainder when \( x \) is divided by 3. We can rewrite the equation for \( x \): \[ x = 63k + 26 \] ### Step 3: Calculate \( 63 \mod 3 \) Now, we will find \( 63 \mod 3 \): \[ 63 \div 3 = 21 \quad \text{(exactly, so the remainder is 0)} \] Thus, \[ 63 \equiv 0 \mod 3 \] ### Step 4: Calculate \( 26 \mod 3 \) Next, we need to find \( 26 \mod 3 \): \[ 26 \div 3 = 8 \quad \text{(with a remainder of 2)} \] So, \[ 26 \equiv 2 \mod 3 \] ### Step 5: Combine the results Now, substituting back into our equation for \( x \): \[ x \equiv 63k + 26 \mod 3 \] Since \( 63k \equiv 0 \mod 3 \), we have: \[ x \equiv 0 + 2 \mod 3 \] Thus, \[ x \equiv 2 \mod 3 \] ### Conclusion The remainder when the number \( x \) is divided by 3 is **2**.
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