Pupil Counting

Level pending

There are 30 pupils standing in a straight line. Counting from left to right, Jason is the 13th. If you count from right to left, what is Jason's number?


The answer is 18.

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2 solutions

Tan Li Xuan
Oct 2, 2014

There are 12 students to Jason's left. Obviously, Jason is the 30-12 = 18th from the right.

Jia Quan Ng
Oct 2, 2014

30-13+1=18

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