Old Exam Questions #5

First, my solution to Old Exam Question #4

1957

(Click for enlargements)

soln1

soln2

You may notice I couldn’t see the wood for the trees in my original solution. I got an idea stuck in my head and ran with it, which is fine (and was fun!), but there was a much, much quicker way to do it (there usually is with maths). Shortcut is below.

soln3

And now onto the latest question. This is from an Additional Maths 1971 O Level paper:

1971

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One thought on “Old Exam Questions #5

  1. Pingback: Old Exam Questions #6 | Solve My Maths

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