Information and IdeasEasy–MediumDifference between the largest and smallest values
Information and Ideas practice question
Height of four seedlings after three weeks:
Seedling A: 12 cm
Seedling B: 9 cm
Seedling C: 15 cm
Seedling D: 11 cm
Which choice most accurately completes the statement? 'The tallest seedling was ____ centimetres taller than the shortest.'
- A. 6Correct
- B. 3
- C. 4
- D. 15
Answer: A. 6
Tallest is C at 15 cm, shortest is B at 9 cm: 15 − 9 = 6.
Why the other answers are wrong
- B. 3
- 3 is the gap between C (15) and A (12), the two tallest — not tallest to shortest.
- C. 4
- 4 is 15 − 11, using D rather than the shortest, B.
- D. 15
- 15 is the tallest height itself, not a difference.
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