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need explanation

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Joined: 31 Dec 1969
Location: India
Concentration: General Management, Strategy
GMAT 1: 710 Q49 V0
GMAT 2: 740 Q40 V50
GMAT 3: 700 Q48 V38
GPA: 3.6
Followers: 0

Kudos [?]: 88 [0], given: 86993

need explanation [#permalink]  26 Mar 2008, 00:02
Hi all,

Pls explan how to solve this question:

A store owner is packing small radios into larger boxes that measure 25 in. by 42 in. by 60 in. If the measurement of each radio is 7 in. by 6 in. by 5 in., then how many radios can be placed in the box?

1) 300
2) 325
3) 400
4) 420
5) 480

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Joined: 10 Sep 2007
Posts: 949
Followers: 7

Kudos [?]: 205 [0], given: 0

Re: need explanation [#permalink]  26 Mar 2008, 06:53
You should post this question in Maths section and not here.

Anyway here is the solution:

Volume of Larger Box = 25*42*60
Volume of each radio = 7*6*5

Number of Radios in box = Volume of box/volume of each radio = 25*42*60/7*6*5 = 300

Re: need explanation   [#permalink] 26 Mar 2008, 06:53
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