Same chapter2 marksDifficulty: Easy
Define a rational number and an irrational number, giving one example of each.
Rational and Irrational Numbers
1 markDifficulty: Easy
Which of the following is an irrational number?
- a0.25
- b22/7
- c√7
- d1.333…
Original Khojo Papers practice question — not from a past board paper.
Answer
√7
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
0.25 and 22/7 are ratios of integers and 1.333… is a recurring decimal, so all three are rational. √7 cannot be written as a ratio of two integers and its decimal expansion neither terminates nor recurs.
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