What will come in place of question mark (?) in the following questions
`5430 + 3780 - 6430 = 2260 + ?`

Options

A. 530
B. 490
C. 500
D. 520

Answer

To solve the equation \( 5430 + 3780 - 6430 = 2260 + ? \), we will follow these steps:

### Step 1: Simplify the left side of the equation
First, we will add \( 5430 \) and \( 3780 \).

\[ 5430 + 3780 = 9210 \]

**Hint:** When adding two numbers, align them by their rightmost digits to ensure accuracy.

### Step 2: Subtract \( 6430 \) from the result
Next, we will subtract \( 6430 \) from \( 9210 \).

\[ 9210 - 6430 = 2780 \]

**Hint:** When subtracting, ensure that you borrow from the next column if the top digit is smaller than the bottom digit.

### Step 3: Set up the equation
Now we have the equation:

\[ 2780 = 2260 + ? \]

**Hint:** This equation shows that the left side equals the right side when the question mark is added to \( 2260 \).

### Step 4: Isolate the question mark
To find the value of \( ? \), we will subtract \( 2260 \) from \( 2780 \).

\[ ? = 2780 - 2260 \]

**Hint:** When isolating a variable, perform the same operation on both sides of the equation to maintain equality.

### Step 5: Calculate the final value
Now we will perform the subtraction:

\[ ? = 520 \]

**Hint:** Double-check your subtraction to ensure accuracy.

### Conclusion
The value that will come in place of the question mark \( ? \) is \( 520 \).

**Final Answer:** \( 520 \)

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