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The value of (1-5/7)(1+3/4) is [#permalink]
Expert's post 00:00

Question Stats: 100% (00:23) correct 0% (00:00) wrong based on 16 sessions
The value of $$(1-\frac{5}{7})(1+\frac{3}{4})$$ is

A. $$\frac{1}{28}$$

B. $$\frac{3}{14}$$

C. $$\frac{9}{28}$$

D. $$\frac{13}{28}$$

E. $$\frac{1}{2}$$
[Reveal] Spoiler: OA

_________________ GRE Instructor Joined: 10 Apr 2015
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Re: The value of (1-5/7)(1+3/4) is [#permalink]
1
KUDOS
Expert's post
Carcass wrote:
The value of $$(1-\frac{5}{7})(1+\frac{3}{4})$$ is

A. $$\frac{1}{28}$$

B. $$\frac{3}{14}$$

C. $$\frac{9}{28}$$

D. $$\frac{13}{28}$$

E. $$\frac{1}{2}$$

(1 - 5/7)(1 + 3/4) = (7/7 - 5/7)(4/4 + 3/4)
= (2/7)(7/4)
= 1/2

Cheers,
Brent
_________________

Brent Hanneson – Creator of greenlighttestprep.com Sign up for our free GRE Question of the Day emails Intern Joined: 26 May 2018
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Re: The value of (1-5/7)(1+3/4) is [#permalink]
1
KUDOS
As per the BODMAS rule, you need to solve brackets first and within the brackets compute the values. Then multiply to get the final result. Hope you got the idea P.S. Solution has been provided above, here is the logic behind that.
Cheers! Re: The value of (1-5/7)(1+3/4) is   [#permalink] 26 May 2018, 12:36
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