Question: Directions: What approximate value will come in place of question mark (?) in the given questions’? (You are not expected to calculate the exact value.) [IBPS (PO/MT) 2015]
$ {{11.95}^{2}}\times 5.05+{{15.01}^{2}}\times 2.99=? $
Options:
A) 11500
B) 12150
C) 11885
D) 11180
E) 1395
Show Answer
Answer:
Correct Answer: E
Solution:
- $ ?={{11.95}^{2}}\times 5.05+{{15.01}^{2}}\times 2.99 $
$ \Rightarrow $ $ ?\approx 12^{2}\times 5+15^{2}\times 3 $
$ \Rightarrow $ $ ?=144\times 5+225\times 3 $
$ \Rightarrow $ $ ?=1395 $