Two cards are drawn simultaneously from a well shuffled pack of 52 cards. Then variance of the number of kings is Option 1: 680/(221)^2 Option 2: 6080/(221)^2 Option 3: 680/221 Option 4: 6800/(221)^2

The answer is '6800/(221)^2'. View full solution:

CUET Mathematics - Two cards are drawn simultaneously from a well shuffled pack of 52 cards. Then variance of the number of kings is | PYQs + Solutions

CUET Mathematics 2023 23 May Shift 3

Algebra

Hard

$\frac{680}{(221)^2}$

$\frac{6080}{(221)^2}$

$\frac{680}{221}$

$\frac{6800}{(221)^2}$

✅ Correct Option: 4

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Match List-I with List-II

If the random variable x has the following distribution:

x	0	1	2	otherwise
P(x)	k	k	2k	0

List-I	List-II
(A) k	(I) $\frac{3}{4}$
(B) P(x ≥ 2)	(II) $\frac{1}{4}$
(C) P(x ≤ 2)	(III) $\frac{1}{2}$
(D) P(0 < x ≤ 2)	(IV) 1

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CUET Mathematics 2023 23 May Shift 3 PYQs

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