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What approximate value will come in plac...

What approximate value will come in place of the question mark (?) in the following questions ?
`(985)/(32)-:(68)/(982)xx4""(11)/(14)=?`

A

2800

B

1850

C

2200

D

2600

Text Solution

AI Generated Solution

The correct Answer is:
To solve the expression \((985)/(32) - (68)/(982) \times 4 \times (11)/(14) = ?\), we will follow these steps: ### Step 1: Simplify the fractions We start with the expression: \[ \frac{985}{32} - \frac{68}{982} \times 4 \times \frac{11}{14} \] ### Step 2: Approximate values We can approximate \(985\) to \(980\) and \(32\) to \(30\): \[ \frac{980}{30} - \frac{68}{980} \times 4 \times \frac{11}{14} \] ### Step 3: Calculate \(\frac{980}{30}\) Now, we calculate: \[ \frac{980}{30} \approx 32.67 \quad (\text{approximately } 33) \] ### Step 4: Simplify \(\frac{68}{980}\) Next, we simplify \(\frac{68}{980}\): \[ \frac{68}{980} = \frac{34}{490} \approx 0.069 \quad (\text{approximately } 0.07) \] ### Step 5: Calculate \(\frac{11}{14}\) Now, we calculate: \[ \frac{11}{14} \approx 0.785 \quad (\text{approximately } 0.79) \] ### Step 6: Combine the terms Now we can calculate: \[ 0.07 \times 4 \times 0.79 \approx 0.07 \times 3.16 \approx 0.2212 \quad (\text{approximately } 0.22) \] ### Step 7: Final calculation Now we subtract: \[ 33 - 0.22 \approx 32.78 \quad (\text{approximately } 32.8) \] ### Step 8: Scale up to find the approximate value To find the approximate value in the context of the original problem, we can multiply by \(100\) to adjust for the scale: \[ 32.8 \times 100 \approx 3280 \] ### Step 9: Compare with options Now, we can compare the calculated value with the provided options: - Option 1: 2800 - Option 2: 1850 - Option 3: 2200 - Option 4: 2600 The closest approximate value is **2200**. ### Final Answer Thus, the approximate value that comes in place of the question mark (?) is: \[ \boxed{2200} \]
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