Real Numbers Class 10
Real Numbers Previous Yr Questions Class X :
Find the [𝐻𝐶𝐹 × 𝐿𝐶𝑀] for the numbers 100 and 190
Prove that 3 + √2 is an irrational number.
Prove that √5 is an irrational number.
Prove that 2 - 3√5 is an irrational number
The pair of co-prime is
(a) 32,40 (b) 21, 28 (c) 18, 25 (d) 9,27
6. Product of two co-prime numbers is 117. Their L.C.M. should be
(a) 1 (b) 117 (c) equal to their H.C.F. (d) Lies between 1 to 117
7. Which of the following statement(s) is/are always true?
(a) The sum of two distinct irrational numbers is rational.
(b) The rationalising factor of a number is unique.
(c) Every irrational number is a surd.
(d) None of these
8. The product of a non zero rational and an irrational number is
(a) always irrational (b) always rational (c) rational or irrational (d) one
9. 3.27 is (3.27bar above .27)
(a) an integer (b) a rational number (c) a natural number (d) an irrational number
Work Sheet of Real Numbers : In pdf format :
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