Quantitative Reasoning

Probability

Easy

The probability that a card drawn from a pack of 52 cards will be a spade or a queen, is

$\frac{2}{13}$

$\frac{4}{13}$

$\frac{1}{13}$

$\frac{1}{52}$

✅ Correct Option: 2

There are $13$ spades and $4$ queens, but the queen of spades is counted in both.

Favourable cards $= 13 + 4 - 1 = 16$ .

Probability $= \frac{16}{52} = \frac{4}{13}$ .

2025: 27 May Shift 1

A bag contains 3 red, 2 blue, 5 green and 4 yellow balls. If two balls are picked at random, what is the probability that either both are red or both are blue?

2026: 22 May Shift 2

The probability that a card drawn from a pack of 52 cards will be a king or a diamond, is?

2025: 15 May Shift 1

One card is drawn from a well-shuffled deck of 52 cards. Find the probability that the card be an ace.

2026: 24 May Shift 1

If a dice is thrown, what is the probability of getting 6 ?

2026: 12 May Shift 1

If A and B are mutually exclusive events, then following probability of the events are given below:

(A) P(A) =0.4, P(B) =0.4 and P(AUB)=0.8

(B) P(A) =0.3, P(B) =0.6 and P(AUB)=0.9

(D) P(A) =0.1, P(B) =0.1 and P(AUB)=0.2

which of the following options is correct?

2026: 30 May Shift 1

In a deck of lotteries, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting prize?

The probability that a card drawn from a pack of 52 cards will be a spade or a queen, is

Solution

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