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(30,000,000)(2,000,000) [#permalink]
19 May 2018, 12:04

Expert's post

00:00

Question Stats:

86% (00:17) correct
13% (00:11) wrong based on 74 sessions

Quantity A

Quantity B

(30,000,000)(2,000,000)

(15,000,000)(4,000,000)

A)The quantity in Column A is greater. B)The quantity in Column B is greater. C)The two quantities are equal. D)The relationship cannot be determined from the information given.

Re: (30,000,000)(2,000,000) [#permalink]
28 May 2018, 13:12

Expert's post

Explanation

The GRE calculator will not be able to handle that many zeros. Start this calculation on paper. To make things easier, you could cancel as many zeros as you want, as long as you do the same operation to both quantities. For instance, you could divide both sides by 1,000,000,000,000 (just think of this as “1 with 12 zeros”), to get:

Quantity A

Quantity B

\(30 \times 2\)

\(15 \times 4\)

Or, just use a bit of logic: 30 million times 2 million is 60 million million, and 15 million times 4 million is also 60 million million. (A “million million” is a trillion, but this doesn’t matter as long as you’re sure that each Quantity will have the same number of zeros.)

Hence option C is correct! _________________

Sandy If you found this post useful, please let me know by pressing the Kudos Button

Re: (30,000,000)(2,000,000) [#permalink]
04 Jun 2018, 09:23

1

This post received KUDOS

Expert's post

sandy wrote:

Quantity A

Quantity B

(30,000,000)(2,000,000)

(15,000,000)(4,000,000)

A)The quantity in Column A is greater. B)The quantity in Column B is greater. C)The two quantities are equal. D)The relationship cannot be determined from the information given.

We can solve this question using matching operations

Re: (30,000,000)(2,000,000) [#permalink]
05 Jun 2018, 17:32

1

This post received KUDOS

Answer: C First we compare the zeros. A’s result has 13 zeros and the integer is 6. B’s result has 12 zeros and the integer is 60. So these two values are equal. _________________

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Re: (30,000,000)(2,000,000)
[#permalink]
05 Jun 2018, 17:32