Question

which of the following is not a rational number
(a)
$\sqrt{136}$
(b)
$\sqrt{25}$
(c)
$\sqrt{9}$
(d)
$6$
​

Answer 1

• option a) √136

Reason

• √25 = 5
• √9 = 3
• 6
• all above are rational numbers

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