Quantitative Aptitude Ques 951
Question: Directions: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value.)
$ {{(41.33)}^{2}}+{{(7.96)}^{2}}-{{(22.02)}^{2}}=? $
Options:
A) 1280
B) 1440
C) 1580
D) 1540
E) 1380
Show Answer
Answer:
Correct Answer: A
Solution:
- $ {{(41.33)}^{2}}+{{(7.96)}^{2}}-{{(22.02)}^{2}}=? $
$ \Rightarrow $ $ ?\approx {{(41)}^{2}}+{{(8)}^{2}}-{{(22)}^{2}} $
$ \Rightarrow $ $ ?\approx 1681+64-484 $
$ \Rightarrow $ $ ?\approx 1261\approx 1280 $
BETA
