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The smallest irrational number by which $\sqrt{20}$ should be multiplied so as to get a rational number, is:
- (a)$\sqrt{20}$
- (b)$5$
- (c)$\sqrt{2}$
- (d)$\sqrt{5}$
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Sol.
(D) $\sqrt{5}$
(D) $\sqrt{5}$
The smallest irrational number by which √20 should be multiplied so as to get a rational number, is:
CBSE Class 10 Maths PYQ · Real Numbers · Irrational · 1 Mark · March 2024 · Standard
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