alleryStart learning →Five married couples are seated in a ring where each husband and wife are neighbours. Count the rings.
A3840
B384
C768
D1536
Answer & Solution
Correct answer: C. 768
Five couple-blocks in a circle give 4! = 24, and each couple can swap in 2 ways, so 24 x 32 = 768.
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?