JEE Main 2024 (Online) 29th January Evening Shift | Probability Question 23 | Mathematics

An integer is chosen at random from the integers $$1,2,3, \ldots, 50$$. The probability that the chosen integer is a multiple of atleast one of 4, 6 and 7 is

$$\frac{8}{25}$$

$$\frac{9}{50}$$

$$\frac{14}{25}$$

$$\frac{21}{50}$$

JEE Main 2024 (Online) 29th January Morning Shift

MCQ (Single Correct Answer)

-1

A fair die is thrown until 2 appears. Then the probability, that 2 appears in even number of throws, is

$$\frac{5}{11}$$

$$\frac{5}{6}$$

$$\frac{1}{6}$$

$$\frac{6}{11}$$

JEE Main 2024 (Online) 27th January Evening Shift

MCQ (Single Correct Answer)

-1

An urn contains 6 white and 9 black balls. Two successive draws of 4 balls are made without replacement. The probability, that the first draw gives all white balls and the second draw gives all black balls, is :

$$\frac{3}{256}$$

$$\frac{5}{256}$$

$$\frac{3}{715}$$

$$\frac{5}{715}$$

JEE Main 2023 (Online) 15th April Morning Shift

MCQ (Single Correct Answer)

-1

A bag contains 6 white and 4 black balls. A die is rolled once and the number of balls equal to the number obtained on the die are drawn from the bag at random. The probability that all the balls drawn are white is :

$\frac{1}{4}$

$\frac{9}{50}$

$\frac{1}{5}$

$\frac{11}{50}$

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