Quantitative Aptitude Ques 1714
Question: What is the value of $ \frac{725\times 725\times 725+371\times 371\times 371}{725\times 725-725\times 371+371\times 371}=? $
Options:
A) 9610
B) 1960
C) 1096
D) 1016
Show Answer
Answer:
Correct Answer: C
Solution:
- $ \frac{725\times 725\times 725+371\times 371\times 371}{725\times 725-725\times 371+371\times 371} $
$ =725+371=1096 $
$ [ \because \frac{a^{3}+b^{3}}{a^{2}-ab+b^{2}}=\frac{(a+b)(a^{2}-ab+b^{2})}{(a^{2}-ab+b^{2})}=a+b ] $