((785 × 785 × 785+435 × 435 × 435)/(785 × 785+435 × 435-785 × 435)) simplifies to · ABC26GN1213

Subject: General Aptitude · Chapter: Simplification

$\left(\frac{785 \times 785 \times 785+435 \times 435 \times 435}{785 \times 785+435 \times 435-785 \times 435}\right)$ simplifies to
(a)350
(b)785
(c)1220
(d)1320
Answer
Answer (as printed): C
Explanation
Given $\exp .=\left(\frac{a^{3}+b^{3}}{a^{2}+b^{2}-a b}\right)=(a+b)$ (where $a=785, b=435$ ) $$=(785+435)=1220 .$$

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for Simplification

1. Practise the PYQsPrevious-year questions, with answers

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