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SLIP TEST - 1
Class: X
Subject: Mathematics
Time: 45 Mins.
Max Marks: 20
SECTION I. Answer any ONE question from the following:
1 × 6 = 6 Marks
1.
Show that √2 − √5 is irrational.
(Academic Standard: AS 2 - Reasoning & Proof)
(Academic Standard: AS 2 - Reasoning & Proof)
[ OR ]
2.
If A = {x : x is a prime less than 20} and B = {x : x is a factor of 6}, then verify n(A ∪ B) = n(A) + n(B) − n(A ∩ B).
(Academic Standard: AS 2 - Reasoning & Proof)
(Academic Standard: AS 2 - Reasoning & Proof)
SECTION II. Answer ALL the questions:
2 × 4 = 8 Marks
3.
From the Venn diagram, find:
i) X ∪ Y ii) X ∩ Y iii) X − Y iv) Y − X
(Academic Standard: AS 5 - Visualization & Representation)
i) X ∪ Y ii) X ∩ Y iii) X − Y iv) Y − X
4.
Write the formula of Median and explain terms?
(Academic Standard: AS 3 - Communication)
(Academic Standard: AS 3 - Communication)
SECTION III. Answer ALL the following questions:
3 × 2 = 6 Marks
5.
Find HCF of 24 and 33 by using Euclid Division Lemma.
(Academic Standard: AS 1 - Problem Solving)
(Academic Standard: AS 1 - Problem Solving)
6.
If A = {x : x is multiple of 3 and x < 15}, convert into roster form.
(Academic Standard: AS 3 - Communication)
(Academic Standard: AS 3 - Communication)
7.
Express 480 as a product of prime factors.
(Academic Standard: AS 1 - Problem Solving)
(Academic Standard: AS 1 - Problem Solving)
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