alleryStart learning →Four couples queue for tickets with each couple staying together. How many queues?
A192
B768
C576
D384
Answer & Solution
Correct answer: D. 384
Four couple-blocks are ordered 4! = 24 ways and each couple has 2 internal orders, so 24 x 16 = 384.
Keep practising Seating Arrangements
Browse all Seating Arrangements questions for CA Foundation, or explore more Quantitative Aptitude topics.
Related questions
A 4-seat bench holds 3 men and 1 woman, who must take an end seat. How many seatings?The number of ways to seat r of n distinct people in r chairs in a row isHow many ways can 7 distinct people queue in a line (the value of 7!)?Which feature makes a permutation differ from a combination?Which pairs of arrangements count as the same for beads on a bracelet?Circular arrangements of n distinct people with rotations alike number which expression?Eight students share a long bench and two named students must not be side by side. How manSix people queue and A must stand somewhere ahead of B. How many queues are possible?