Correct Answer: 10:1

Solution : The formula for trade receivables turnover ratio is equal to

Credit revenue from operations / average trade receivable

Credit revenue from operations= Total revenue for operations- cash revenue from operations.= 9,00,000-3,00,000= 6,00,000

Average trade receivables= 1,00,000+20,000/2 = 1,20,000/2= 60,000

trade receivables turnover ratio = 6,00,000/60,000=

Correct Answer: $\pm\frac{2}{\sqrt{5}}$

Solution : Given: $x-\frac{1}{x}=1$
$⇒x^{2}-1=x$
$⇒x^{2}+1=x+2$
$\left (\frac{1}{x-1}-\frac{1}{x+1}+\frac{1}{x^{2}+1}-\frac{1}{x^{2}-1} \right)$
$=(\frac{2}{x^{2}-1}+\frac{1}{x^{2}+1}-\frac{1}{x^{2}-1})$
$=(\frac{1}{x^{2}-1}+\frac{1}{x^{2}+1})$
$=(\frac{2x^{2}}{(x^{2}-1)(x^{2}+1)})$
Using $x^{2}-1=x$ and $x^{2}+1=x+2$, we get,
$=(\frac{2x^{2}}{(x)(x+2)})$
$=\frac{2x}{x+2}$
Solving $x^{2}-x-1=0$, we get $x=\frac{1\pm\sqrt{5}}{2}$
So, $x+2=\frac{5\pm\sqrt{5}}{2}$
When $x=\frac{1+\sqrt{5}}{2}$, $\frac{2x}{x+2}=\frac{2}{\sqrt{5}}$
When $x=\frac{1-\sqrt{5}}{2}$, $\frac{2x}{x+2}=-\frac{2}{\sqrt{5}}$
Hence, the correct answer is $\pm\frac{2}{\sqrt{5}}$.

Correct Answer: derive

Solution : The second option is correct.

The sentence would read: "What you can derive from this statement is that teachers live by selling knowledge..."

In this context, derive means to obtain or receive, suggesting that one can obtain something (knowledge, in this case) from the given

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Yes, B.Tech Biotechnology students can apply through GATE (BT/XL) scores for BARC. GATE scores are accepted for admission to the BARC Training School programs. It's a great opportunity for B.Tech Biotechnology students to pursue research and training in the field of nuclear science and technology.

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•How to Prepare for Quantitative Aptitude by Arun Sharma

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Correct Answer: To become successful in life

Solution : The correct choice is the first option.

The idiom to go a long way figuratively means making significant progress or achieving success in one's endeavours over time. It implies moving forward, making advancements, and accomplishing goals, especially in the context of