WB JEE 2010 | Probability Question 6 | Mathematics | WB JEE - ExamSIDE.Com

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Algebra

Sets and Relations

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Logarithms

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Sequence and Series

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Quadratic Equations

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Permutations and Combinations

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Mathematical Induction and Binomial Theorem

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Mathematical Induction

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Binomial Theorem

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Matrices and Determinants

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Vector Algebra

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Three Dimensional Geometry

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Probability

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Complex Numbers

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Statistics

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Trigonometry

Trigonometric Functions & Equations

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Inverse Trigonometric Functions

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Properties of Triangle

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Coordinate Geometry

Straight Lines and Pair of Straight Lines

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Circle

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Parabola

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Ellipse

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Hyperbola

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Calculus

Functions

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Limits, Continuity and Differentiability

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Differentiation

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Application of Derivatives

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Indefinite Integrals

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Definite Integration

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Application of Integration

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Differential Equations

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1

WB JEE 2010

MCQ (Single Correct Answer)

+1

-0.25

The probability that at least one of A and B occurs is 0.6. If A and B occur simultaneously with probability 0.3, then P(A') + P(B') is

A

0.9

B

0.15

C

1.1

D

1.2

2

WB JEE 2011

MCQ (Single Correct Answer)

+1

-0.25

4 boys and 2 girls occupy seats in a row at random. Then the probability that the two girls occupy seats side by side is

A

$${1 \over 2}$$

B

$${1 \over 4}$$

C

$${1 \over 3}$$

D

$${1 \over 6}$$

3

WB JEE 2011

MCQ (Single Correct Answer)

+1

-0.25

A coin is tossed again and again. If tail appears on first three tosses, then the chance that head appears on fourth toss is

A

$${1 \over {16}}$$

B

$${1 \over {2}}$$

C

$${1 \over {8}}$$

D

$${1 \over {4}}$$

4

WB JEE 2012

MCQ (Single Correct Answer)

+1

-0.33

Two decks of playing cards are well shuffled and 26 cards are randomly distributed to a player. Then, the probability that the player gets all distinct cards is

A

$${}^{52}{C_{26}}$$ / $${}^{104}{C_{26}}$$

B

2 $$\times$$ $${}^{52}{C_{26}}$$ / $${}^{104}{C_{26}}$$

C

2¹³ $$\times$$ $${}^{52}{C_{26}}$$ / $${}^{104}{C_{26}}$$

D

2²⁶ $$\times$$ $${}^{52}{C_{26}}$$ / $${}^{104}{C_{26}}$$

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