1. “That’s wrong,” said John. “You can’t spell.” Ruth grabbed the old dictionary. “Then let’s see how good you are,” she told him. “I’ll give you four words and you give me four. You give me 2p for every word you can’t spell, and I’ll give you 5p for any word I get wrong.” John agreed. But they ended up all square! How many of the words was Ruth unable to spell?

Ruth made one mistake

Ruth made two mistakes

Neither of them made any mistake