| Directions: What approximate value will come in place of the question mark (?) in the following questions? (You are not required to find the exact value. [IBPS (PO) 2011] |
| \[\sqrt{727.9995}+{{(5.1961)}^{2}}=?\div \frac{2}{10.7960}\] |
A) 53
B) 44
C) 5
D) 15
E) 10
Correct Answer: E
Solution :
| \[\sqrt{727.9995}+{{(5.1961)}^{2}}=?\div \frac{2}{10.7960}\] |
| \[\Rightarrow \] \[\sqrt{728}+{{(5.2)}^{2}}\approx ?\,\,\times \frac{10.8}{2}\] |
| \[\Rightarrow \] \[26.98+27.04\approx ?\,\,\times 5.4\] |
| \[\Rightarrow \] \[54.02\approx ?\,\,\times 5.4\] |
| \[\Rightarrow \] \[?\approx 10.003\]\[\Rightarrow \]\[?\approx 10\] |
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