6% and 14%?

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Tue Oct 18, 2011 5:15 am

What is the product of 6% and 14%?
(A) 0.00084
(B) 0.0084
(C) 0.084
(D) 0.84
(E) 8.4

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Source: Beat The GMAT — Problem Solving | Tue Oct 18, 2011 5:15 am

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Anurag@Gurome: GMAT Instructor; Posts: 3835; Joined: Fri Apr 02, 2010 10:00 pmFollowed by: 523 members; Location: Milpitas, CA; Thanked: 1854 times; GMAT Score:770

by Anurag@Gurome » Tue Oct 18, 2011 5:30 am

sanju09 wrote:What is the product of 6% and 14%?

The question is incomplete unless it is mentioned 6% and 14% what.
Looking at the question I guess they are percentages of 1.

Hence, (6% of 1)*(14% of 1) = (0.06)*(0.14) = 0.0084

The correct answer is B.

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Abhishek009: Master | Next Rank: 500 Posts; Posts: 359; Joined: Wed Mar 11, 2009 4:37 amFollowed by: 2 members; Location: Kolkata, India; Thanked: 50 times

by Abhishek009 » Tue Oct 18, 2011 6:31 am

sanju09 wrote:What is the product of 6% and 14%?
(A) 0.00084
(B) 0.0084
(C) 0.084
(D) 0.84
(E) 8.4

Very simply -

Product of 6% and 14% => (16/100*14/100) = 84/10000

Now we have 84/10000 , ie 4 digits will be there after the decimal point , becasue we have 4 zero's as denominator...

So answer will be 0.0084

Abhishek

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neelgandham: Community Manager; Posts: 1060; Joined: Fri May 13, 2011 6:46 amFollowed by: 52 members; Location: Utrecht, The Netherlands; Thanked: 318 times

by neelgandham » Tue Oct 18, 2011 6:50 am

The question is incomplete !

Calculating the percentages of 1 we get (6/100)* (14/100) = 84 * 10^-4 = 0.0084

The correct answer is B.

Anil Gandham
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