JEE Main 2021 (Online) 17th March Morning Shift | Probability Question 108 | Mathematics

Two dies are rolled. If both dices have six faces numbered 1, 2, 3, 5, 7 and 11, then the probability that the sum of the numbers on the top faces is less than or equal to 8 is :

$${4 \over 9}$$

$${1 \over 2}$$

$${5 \over {12}}$$

$${17 \over {36}}$$

JEE Main 2021 (Online) 16th March Evening Shift

MCQ (Single Correct Answer)

-1

Let A denote the event that a 6-digit integer formed by 0, 1, 2, 3, 4, 5, 6 without repetitions, be divisible by 3. Then probability of event A is equal to :

$${4 \over {9}}$$

$${9 \over {56}}$$

$${11 \over {27}}$$

$${3 \over {7}}$$

JEE Main 2021 (Online) 16th March Morning Shift

MCQ (Single Correct Answer)

-1

A pack of cards has one card missing. Two cards are drawn randomly and are found to be spades. The probability that the missing card is not a spade, is :

$${{39} \over {50}}$$

$${{3} \over {4}}$$

$${{22} \over {425}}$$

$${{52} \over {867}}$$

JEE Main 2021 (Online) 26th February Evening Shift

MCQ (Single Correct Answer)

-1

A seven digit number is formed using digits 3, 3, 4, 4, 4, 5, 5. The probability, that number so formed is divisible by 2, is :

$${1 \over 7}$$

$${4 \over 7}$$

$${6 \over 7}$$

$${3 \over 7}$$