GCSE · Data representation

Two-way tablesExam-style questions

Why every person in a two-way table is counted exactly once, so the rows, the columns and the grand total all have to agree — and why completing a table is never guesswork: you find the row or column with a single gap and work outwards.

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12 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAll Level 1 Level 2 Level 3 Level 4 Level 5

1
A sports centre has $260$ members. Each member is a junior or an adult, and each member has swimming, tennis or athletics as their main sport.

$100$ of the members are juniors.

$33$ of the juniors have athletics as their main sport.

The number of adults whose main sport is swimming is three times the number of juniors whose main sport is tennis.

$15$ more adults than juniors have tennis as their main sport.

Altogether $105$ members have swimming as their main sport.

(a) Work out the number of juniors whose main sport is tennis.

(b) Complete the two-way table.
Swimming Tennis Athletics Total
Junior $33$ $100$
Adult
Total $105$ $260$
Level 5 · 7 marksTry it

	Swimming	Athletics	Total
Junior		$33$	$100$
Adult
Total	$105$		$260$