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TAGS: Founder  Joined: 18 Apr 2015
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A 12-inch ruler is marked off in sixteenths of an inch. What [#permalink]
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Expert's post 00:00

Question Stats: 76% (01:09) correct 23% (00:22) wrong based on 13 sessions
A 12-inch ruler is marked off in sixteenths of an inch. What is the distance, in inches, from the zero mark to the 111th mark after the zero mark?

A. $$6 \frac{1}{4}$$

B. $$6 \frac{15}{16}$$

C. $$7 \frac{3}{4}$$

D. $$9 \frac{1}{4}$$

E. $$11 \frac{1}{16}$$
[Reveal] Spoiler: OA

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Re: A 12-inch ruler is marked off in sixteenths of an inch. What [#permalink]
I got the answer B. Because we want the answer in full inches, and the marks are made in sixteenths, I think it's easiest to find how many increments of 16 are possible in the number 111. 7 x 16 = 112 ; so the answer should be 7 - 1/16, which equals 6 15/16, or answer B.

If there's an even better way to solve this, let me know!
Founder  Joined: 18 Apr 2015
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Re: A 12-inch ruler is marked off in sixteenths of an inch. What [#permalink]
Expert's post

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Re: A 12-inch ruler is marked off in sixteenths of an inch. What [#permalink]
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Carcass wrote:
A 12-inch ruler is marked off in sixteenths of an inch. What is the distance, in inches, from the zero mark to the 111th mark after the zero mark?

A. $$6 \frac{1}{4}$$

B. $$6 \frac{15}{16}$$

C. $$7 \frac{3}{4}$$

D. $$9 \frac{1}{4}$$

E. $$11 \frac{1}{16}$$

Here,

As each mark is $$\frac{1}{16}$$inch

Therefore the 111th mark will be = $$\frac{111}{16} = 6 {\frac{15}{16}}$$ inches
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Rules for Posting https://greprepclub.com/forum/rules-for ... -1083.html Re: A 12-inch ruler is marked off in sixteenths of an inch. What   [#permalink] 01 Sep 2018, 06:33
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