CUET Mathematics - If a person A speaks the truth in 80% cases and the person B speaks the truth in 75% cases, then the probability that they contradict each other in a statement is | PYQs + Solutions

CUET Mathematics 2025 14 May Shift 2

Algebra

Medium

core

$\frac{2}{5}$

$\frac{13}{20}$

$\frac{3}{5}$

$\frac{7}{20}$

✅ Correct Option: 4

Related questions:

21 May Shift 2

If X is a random variable which can assume values 0, 1, 2, 3 or 4 such that P(X = 1) = P(X = 2) and 3P(X = 3) = 4P(X = 4) = P(X = 0) = $\frac{1}{4}$ , then P(X > 0) is:

15 May Shift 1

Match List-I with List-II

$P(A) = \frac{3}{7}$ , $P(B) = \frac{4}{7}$ and $P(A \cup B) = \frac{5}{7}$

List-I	List-II
(A) $P(A \cap B)$	(I) $\dfrac{2}{3}$
(B) $P(A \mid B)$	(II) $\dfrac{5}{7}$
(C) $P(B \mid A)$	(III) $\dfrac{1}{2}$
(D) $P(A' \cup B')$	(IV) $\dfrac{2}{7}$

Choose the correct answer from the options given below:

15 May Shift 1

In a game, a man wins Rs. 5 for getting a number greater than 4 and loses Rs. 1 otherwise, when a fair dice is thrown. The man decided to throw a die thrice but to quit as and when he gets a number greater than 4. The expected value of the amount(in Rs.) he wins or loses is:

CUET Mathematics 2025 14 May Shift 2 PYQs

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