1

JEE Main 2024 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

+4

-1

If for some $$m, n ;{ }^6 C_m+2\left({ }^6 C_{m+1}\right)+{ }^6 C_{m+2}>{ }^8 C_3$$ and $${ }^{n-1} P_3:{ }^n P_4=1: 8$$, then $${ }^n P_{m+1}+{ }^{\mathrm{n}+1} C_m$$ is equal to

2

JEE Main 2024 (Online) 29th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Number of ways of arranging 8 identical books into 4 identical shelves where any number of shelves may remain empty is equal to

3

JEE Main 2024 (Online) 27th January Evening Shift

MCQ (Single Correct Answer)

+4

-1

Let $$\alpha=\frac{(4 !) !}{(4 !)^{3 !}}$$ and $$\beta=\frac{(5 !) !}{(5 !)^{4 !}}$$. Then :

4

JEE Main 2023 (Online) 15th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

The total number of three-digit numbers, divisible by 3, which can be formed using the digits $1,3,5,8$, if repetition of digits is allowed, is :

Questions Asked from Permutations and Combinations (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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