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Find the value of question mark(?) in th...

Find the value of question mark(?) in the following questions ?
12781+2146+4581+8624=?

A

28132

B

28412

C

27946

D

29132

Text Solution

AI Generated Solution

The correct Answer is:
To find the value of the question mark (?) in the equation \( 12781 + 2146 + 4581 + 8624 = ? \), we will perform the addition step by step. ### Step 1: Write down the numbers to be added We have the following numbers: - 12781 - 2146 - 4581 - 8624 ### Step 2: Align the numbers for addition We will write the numbers in a column format, aligning them by their rightmost digits: ``` 12781 2146 4581 8624 ``` ### Step 3: Add the numbers column by column Starting from the rightmost column (units place): 1. **Units place**: \( 1 + 6 + 1 + 4 = 12 \) (write down 2, carry over 1) 2. **Tens place**: \( 8 + 4 + 4 + 2 + 1 = 19 \) (write down 9, carry over 1) 3. **Hundreds place**: \( 7 + 1 + 5 + 6 + 1 = 20 \) (write down 0, carry over 2) 4. **Thousands place**: \( 2 + 2 + 4 + 8 + 2 = 18 \) (write down 8, carry over 1) 5. **Ten-thousands place**: \( 1 + 1 = 2 \) (write down 2) ### Step 4: Combine the results Now, we combine the results from all the columns: - Ten-thousands: 2 - Thousands: 8 - Hundreds: 0 - Tens: 9 - Units: 2 Putting it all together, we get: \[ 28132 \] ### Final Answer Thus, the value of the question mark (?) is: \[ \boxed{28132} \]
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