The probability of drawing a Spade from a well-shuffled deck of 52 cards is: MCQ with Answer and Explanation

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The probability of drawing a Spade from a well-shuffled deck of 52 cards is:

A. 1/4

B. 13/52

C. 1/2

D. 1/13

Answer: Option A

Solution (By JKSSB Mock Tests)

There are 13 spades in a 52-card deck. Probability = 13/52 = 1/4.

This question belongs to: Accountancy and Statistics Statistics

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Practice More Statistics Questions

Question #1

The most populous state of India as per 2011 Census is:

A. Bihar

B. West Bengal

C. Maharashtra

D. Uttar Pradesh

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Correct Answer: Option D

Explanation:
Uttar Pradesh had the largest population in 2011.

This question belongs to: Accountancy and Statistics Statistics

Question #2

The difference between the upper limit and the lower limit of a class interval is called:

A. Class mark

B. Class frequency

C. Class boundary

D. Magnitude or Width of the class

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Correct Answer: Option D

Explanation:
The magnitude or width is the size of the class interval, calculated as Upper Limit - Lower Limit.

This question belongs to: Accountancy and Statistics Statistics

Question #3

The combined mean of two groups is 55, with n₁=40, mean₁=50. If n₂=60, mean₂ is:

A. 59

B. 58.33

C. 60

D. 57.5

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Correct Answer: Option B

Explanation:
55 = (40×50 + 60×x) / 100 → 2000 + 60x = 5500 → 60x = 3500 → x = 58.33.

This question belongs to: Accountancy and Statistics Statistics

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