There are three race tracks in a stadium. The first track is $14$ yards long, the second track is $3$ yards shorter than the first track, and the third track is $1$ yard longer than the first track. Which track is shorter than $12$ yards?

Third track

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First track

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Second track

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All three tracks are of the same length.

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Solution

The correct option is C Second track

Length of the first track = $14$ yd
Length of the second track = length of the first track $- 3$
$= 14 - 3$
$= 11$ yd
The length of the second race track is $11$ yd.

Length of the third track = length of the first track $+ 1$
= $14 + 1$
= $15$ yd

The length of the third track is $15$ yd.

So, the length of the second race track is shorter than $12$ yd.

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Question 8 (ii)

The figure depicts a racing track. ADHE is a semicircular track of inner radius 30m and thickness 10m. FGBC is another semicircular track with the same inner radius and thickness as ADHE. The space between the two semicircular tracks are covered by straight tracks of length 106m and thickness 10m on either side. Calculate the area of the racing track.

Question 8 (ii)

The figure depicts a racing track. ADHE is a semicircular track of inner radius 30m and thickness 10m. FGBC is another semicircular track with the same inner radius and thickness as ADHE. The space between the two semicircular tracks are covered by straight tracks of length 106m and thickness 10m on either side. Calculate the area of the racing track.

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There are three race tracks in a stadium. The first track is 14 yards long, the second track is 3 yards shorter than the first track, and the third track is 1 yard longer than the first track. Which track is shorter than 12 yards?

There are three race tracks in a stadium. The first track is $14$ yards long, the second track is $3$ yards shorter than the first track, and the third track is $1$ yard longer than the first track. Which track is shorter than $12$ yards?