Punch, or the London Charivari, May 27, 1914

by Various

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NOT TO BE CAUGHT.

Mathematical Master (after carefully explaining new rule). "Well, Tertius, and what is four per cent. on £5?"

Tertius. "Ten shillings."

Mathematical Master. "No, no."

Tertius. "Five shillings."

Mathematical Master. "No!"

Tertius. "Half-a-crown."