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# If a rocket can travel

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If a rocket can travel [#permalink]  12 Jul 2018, 08:36
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Question Stats:

50% (01:12) correct 50% (00:49) wrong based on 10 sessions
If a rocket can travel $$\frac{x}{5}$$ miles every y seconds, how many miles can it travel in z minutes?

A. $$\frac{xy}{5z}$$

B. $$\frac{xz}{5y}$$

C. $$\frac{xyz}{6}$$

D. $$\frac{12xy}{z}$$

E. $$\frac{12xz}{y}$$
[Reveal] Spoiler: OA

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VP
Joined: 20 Apr 2016
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WE: Engineering (Energy and Utilities)
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Re: If a rocket can travel [#permalink]  12 Jul 2018, 19:28
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Carcass wrote:
If a rocket can travel $$\frac{x}{5}$$ miles every y seconds, how many miles can it travel in z minutes?

A. $$\frac{xy}{5z}$$

B. $$\frac{xz}{5y}$$

C. $$\frac{xyz}{6}$$

D. $$\frac{12xy}{z}$$

E. $$\frac{12xz}{y}$$

Here,

in y secs the rocket travel = $$\frac{x}{5}$$

So in 1 sec the rocket travel = $$\frac{x}{{5 * y}}$$

Therefore in 60z secs the rocket travel = $$\frac{x}{{5 * y}} * 60z = \frac{{12xz}}{y}$$

** z minute = 60z secs
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Re: If a rocket can travel [#permalink]  20 Jul 2018, 09:51
Carcass wrote:
If a rocket can travel $$\frac{x}{5}$$ miles every y seconds, how many miles can it travel in z minutes?

A. $$\frac{xy}{5z}$$

B. $$\frac{xz}{5y}$$

C. $$\frac{xyz}{6}$$

D. $$\frac{12xy}{z}$$

E. $$\frac{12xz}{y}$$

In y sec rocket travel x/5 miles

in 1 sec rocket travel (x/5) /y miles

In 60z sec rocket travel (x/5) * 60z /y

= 12xz /y.

Re: If a rocket can travel   [#permalink] 20 Jul 2018, 09:51
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