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What approximate value will come in plac...

What approximate value will come in place of question mark (?) in the following questions. (You are not expected to calculate the exact value)
2744.98 - 1417.99 = ? + 987.98

A

369

B

299

C

339

D

229

Text Solution

AI Generated Solution

The correct Answer is:
To solve the equation \( 2744.98 - 1417.99 = ? + 987.98 \) and find the approximate value of the question mark (?), we can follow these steps: ### Step 1: Round the Numbers First, we will round the numbers to make the calculations easier. - Round \( 2744.98 \) to \( 2745 \) - Round \( 1417.99 \) to \( 1418 \) - Round \( 987.98 \) to \( 988 \) So, the equation becomes: \[ 2745 - 1418 = ? + 988 \] ### Step 2: Perform the Subtraction Now, we will perform the subtraction on the left side: \[ 2745 - 1418 = 1327 \] ### Step 3: Rearrange the Equation Now, we can rearrange the equation to isolate the question mark (?): \[ 1327 = ? + 988 \] ### Step 4: Solve for ? To find the value of ?, we subtract \( 988 \) from \( 1327 \): \[ ? = 1327 - 988 \] ### Step 5: Perform the Final Calculation Now, we calculate: \[ 1327 - 988 = 339 \] ### Conclusion Thus, the approximate value that will come in place of the question mark (?) is: \[ \boxed{339} \]
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ADDA247-NUMBER SYSTEM, SIMPLIFICATION AND APPROXIMATION -PRELIMS QUESTIONS (LEVEL - 2)
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