Direction: What approximate value should come in place of question mark (?) in the question? |
A) 125
B) 120
C) 100
D) 81
E) 64
Correct Answer: C
Solution :
\[\sqrt{?}-\sqrt{9.01}=\sqrt{530}-{{(3.99)}^{2}}\] Or, \[\sqrt{?}\approx 23-{{(4)}^{2}}+\sqrt{9}=23-16+3=10\] Or, \[\sqrt{?}\approx 10\] \[\therefore ?\approx 10\times 10=100\]You need to login to perform this action.
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