Practice30Create account

Four boys and three girls sit in a row so that all the boys sit together and all the girls sit together. How many seatings are possible?

Competition practicePermutations & Combinations
  • A144
  • B288
  • C5040
  • D720

Step-by-Step Solution

Order of the two blocks: 2 (boys first or girls first). Boys inside: ; girls inside: . (144 forgets the girls-first case.)
Answer: B) 288

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Permutations & Combinations practice questions

More Permutations & Combinations practice

How many whole numbers from 1 to 100 do not contain the digit 3?Seven people are to be chosen as a group of 3: there are 4 Indians and 3 Japanese, and…In how many arrangements of the letters of PENCIL is N always immediately next to E…How many 3-digit numbers have exactly two of their digits equal?How many 5-digit numbers have digits that strictly decrease from left to right (like…