Which set below includes only irrational numbers?
JEST Past Papers / All — Multiple-choice practice
- A. {-√12, -3.√76, √36, 4.√3838 ...}
- B. None of these
- C. {-7.2322, ..., √5, √15, 8.27541 ...}
- D. {-5.6, √14, 6.3245, √81}
Correct answer
{-7.2322, ..., √5, √15, 8.27541 ...}
Explanation
Explanation The first set {-7.2322, ..., √5, √15, 8.27541 ...} includes only irrational numbers because: √5 and √15 are irrational (not perfect squares). The decimals appear non-repeating and non-terminating.
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