New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Permutations and Combinations question

2024 · 5 Apr · Shift 2 · Q48

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Mathematics
Permutations and Combinations
2024 · 5 Apr · Shift 2 · Q48

Permutations and Combinations question

2024 · 5 Apr · Shift 2 · Q48

JEE MainMathematicsPermutations and CombinationsMCQ+4 / −1

60 words can be made using all the letters of the word

\mathrm{BHBJO}

, with or without meaning. If these words are written as in a dictionary, then the

50^{\text {th }}

word is:

A
OBBJH
B
HBBJO
C
OBBHJ
D
JBBOH

More from Permutations and Combinations

The number of triangles whose vertices are at the vertices of a regular octagon but none of whose sides is a side of the octagon is2024 · MCQ
If all the words with or without meaning made using all the letters of the word "NAGPUR" are arranged as in a dictionary, then the word at $31 5^{th}$ position in this arrangement is :2024 · MCQ
Let $0 \leq r \leq n$ . If $^{n + 1} C_{r + 1} :^{n} C_{r} :^{n - 1} C_{r - 1} = 55 : 35 : 21$ , then $2 n + 5 r$ is equal to :2024 · MCQ
Let $[t]$ be the greatest integer less than or equal to $t$ . Let $A$ be the set of all prime factors of 2310 and $f : A \to Z$ be the function $f (x) = [lo g_{2} (x^{2} + [\frac{x ^{3}}{5}])]$ . The…2024 · MCQ
The number of 3-digit numbers, formed using the digits 2, 3, 4, 5 and 7, when the repetition of digits is not allowed, and which are not divisible by 3 , is equal to .2024 · Numerical
The number of ways five alphabets can be chosen from the alphabets of the word MATHEMATICS, where the chosen alphabets are not necessarily distinct, is equal to:2024 · MCQ
The number of integers, between 100 and 1000 having the sum of their digits equals to 14 , is .2024 · Numerical
Let $α = \frac{( 4 !)!}{( 4 ! ) ^{3!}}$ and $β = \frac{( 5 !)!}{( 5 ! ) ^{4!}}$ . Then :2024 · MCQ