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# A 12-inch ruler is marked off in sixteenths of an inch. What

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A 12-inch ruler is marked off in sixteenths of an inch. What [#permalink]  14 May 2018, 14:14
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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]  18 Jun 2018, 05:40
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!
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Re: A 12-inch ruler is marked off in sixteenths of an inch. What [#permalink]  19 Jun 2018, 09:32
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Re: A 12-inch ruler is marked off in sixteenths of an inch. What [#permalink]  01 Sep 2018, 06:33
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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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Re: A 12-inch ruler is marked off in sixteenths of an inch. What   [#permalink] 01 Sep 2018, 06:33
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