| Directions: What will come in the place of question mark (?) in the following questions. [IBPS (Clerk) Pre 2015] |
| \[(0.4\times 450)\div 4=5\times {{3}^{?}}\] |
A) \[3\]
B) \[1\]
C) \[2\]
D) \[-\,\,3\]
E) \[-\,\,2\]
Correct Answer: C
Solution :
| \[(0.4\times 450)\div 4=5\times {{3}^{?}}\]\[\Rightarrow \]\[\frac{180}{4}=5\times {{3}^{?}}\] |
| \[\Rightarrow \]\[9={{3}^{?}}\]\[\Rightarrow \]\[{{3}^{?}}={{3}^{2}}\]\[\Rightarrow \]\[?=2\] |
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