Match the following: (B) Side of cube increasing by \( 1 \% \), the...

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Match the following:
(B) Side of cube increasing by \( 1 \% \), then percentage increase in volume is
(q) \( 0.6 \pi \)
(C) If the rate of decrease of \( \frac{x^{2}}{2}-2 x+5 \) is twice the rate of decrease of \( x \), then \( x \) is equal to
(r) 3
(D) Rate of increase in area of equilateral triangle of side \( 15 \mathrm{~cm} \), when each side is increasing at the rate of \( 0.1 \mathrm{~cm} / \mathrm{s} \); is
(s) \( \frac{3 \sqrt{3}}{4} \)
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