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What approximate value will come in the place of the question mark ‘?’ in the following question?
(6.95 × 7.988) – (12.004× √9.012) = ? – 10.895
40
45
31
25
37
Alright, let's break this down step by step.
- First, look at the numbers in the expression:
(6.95 × 7.988) – (12.004 × v9.012) = ? – 10.895
- Let’s round a bit for simplicity:
- 6.95 ˜ 7
- 7.988 ˜ 8
- 12.004 ˜ 12
- v9.012 is very close to 3
- Now plug these quick values in:
(7 × 8) – (12 × 3) = ? – 10.895
56 – 36 = ? – 10.895
20 = ? – 10.895
- Add 10.895 to both sides to solve for ?:
20 + 10.895 = ?
30.895 ˜ 31
- The closest option to this is Option 3: 31
To summarize the options:
- Option 1: 40 (too high)
- Option 2: 45 (way off)
- Option 3: 31
- Option 4: 25 (a bit low)
- Option 5: 37 (a bit high)
What this really means: the quick math lines up perfectly with 31. You're in the right spot.
By: Parvesh Mehta ProfileResourcesReport error
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