In how many ways can 6 boys and 4 girls sit in a row?
- 10!
- 100
- 6!4!
- 5!4!
The Correct Option is A
Solution and Explanation
Top Questions on permutations and combinations
- The number of ways of arranging 3 red, 2 white, and 4 blue flowers of different sizes into a garland such that no two blue flowers come together is:
- AP EAPCET - 2025
- Mathematics
- permutations and combinations
- How many 4-digit numbers (between 1000 and 9999) can be formed using the digits \(2, 3, 5, 7, 8\) such that:
- Each number contains both \(3\) and \(7\) exactly once,
- No digit is repeated.
- AP EAPCET - 2025
- Mathematics
- permutations and combinations
If all the words with or without meaning made using all the letters of the word "KANPUR" are arranged as in a dictionary, then the word at 440th position in this arrangement is:
- JEE Main - 2025
- Mathematics
- permutations and combinations
Let $ S $ be the set of all seven-digit numbers that can be formed using the digits 0, 1 and 2. For example, 2210222 is in $ S $, but 0210222 is NOT in $ S $.
Then the number of elements $ x $ in $ S $ such that at least one of the digits 0 and 1 appears exactly twice in $ x $, is equal to __________.- JEE Advanced - 2025
- Mathematics
- permutations and combinations
The number of 6-letter words, with or without meaning, that can be formed using the letters of the word MATHS such that any letter that appears in the word must appear at least twice, is $ 4 \_\_\_\_\_$.
- JEE Main - 2025
- Mathematics
- permutations and combinations
Questions Asked in SRMJEEE exam
The molar conductivities at infinite dilution for Na2SO4,K2S04,KCl, HCl and HCOONa at 300K are 260, 308, 150, 426, and 105 S cm2 mol-1, respectively. What will be A+m for formic acid in the same unit?
- SRMJEEE - 2023
- Electrochemistry
- The current of 2A passing through a coil of 100 turns gives rise to a magnetic flux of 5 x 10-5 Wb/turn, the magnetic energy associated with the coil is _________ J
- SRMJEEE - 2023
- Electromagnetic induction
Markovnikov reaction is a
- SRMJEEE - 2023
- Organic Chemistry - Some Basic Principles and Techniques
Calculate the Reynold’s number for a liquid of density 1 g/cm3, viscosity 8 x 10-4 Pa.s flowing at 0.5 m/s through a pipe of diameter 4 cm?
- SRMJEEE - 2023
- Fluid Mechanics
Which of the following statement is true for aqueous solution of 0.1 M urea, 0.2 M glucose nad 0.3 M sucrose
- SRMJEEE - 2023
- Biomolecules