Problem Solving & Word Problems: Hard Test 3

15 questions · 15 minutes

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I halve a number, add 9 and then multiply by 2. The answer is 38. What was my number?
Three apples and two pears cost £1.85 altogether. An apple costs 35p. How much does one pear cost?
The mean of five numbers is 20. One of the numbers is increased by 15 and the others stay the same. What is the new mean?
A jacket is reduced by 15% in a sale and now costs £102. What was the original price?
In 4 years' time Mia will be twice as old as she was 6 years ago. How old is Mia now?

At the end, check the answer against the question. If a child's change from a ten pound note comes to twelve pounds, something has gone wrong earlier.
Read the question twice before writing anything. The second reading is where the crucial detail usually surfaces.