Direction: What should come in place of the question mark (?) in the following questions? |
A) 441
B) 361
C) 400
D) 484
Correct Answer: C
Solution :
\[\sqrt{?}\,\,+\,\,18=\sqrt{1444}\] \[\Rightarrow \] \[\sqrt{?}\,\,\,+18=38\] \[\Rightarrow \] \[\sqrt{?}\,=38-18=20\] \[\therefore \] \[?=20\,\,\,\,20=400\] 69 778You need to login to perform this action.
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