Harshgmat wrote:

If Karishma spends 53 seconds folding H napkins, how many seconds will it take her to fold B napkins at the same rate?

A) 53B/H

B) HB/53

C) 53/HB

D) 53H/B

E) 53HB

The trap in this question: \(B\) napkins =

Work Work needs to be

divided by rate in order to get

timeHow many seconds to fold \(B\) napkins?

Rate: \(\frac{H.napkins}{53secs}=\frac{H}{53}\)

Work: \(B\) napkins

\(r*t=W\)

\(\frac{H}{53}*t=B\)

Time, \(t=\frac{B}{(\frac{H}{53})}=(B*\frac{53}{H})=\frac{53B}{H}\)

Answer A

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