Description : In how many ways can 8 people sit around a circular Table? (a) 5040 (b) 40320 (c) 20160 (d) 2520 -Maths 9th
Last Answer : As is known in case of circular permutations, we keep one place fixed, so 8 people can sit around a circular table in (8 – 1) ! ways = 7! ways = 5040 ways.
Description : How many sides does a 2520 angled polygon have?
Last Answer : 2
Description : Of the following answers, which is the frequency closest to middle-C on a piano? w) 20 x) 256 y) 2520 z) 25200
Last Answer : ANSWER: X -- 256
Description : In how many different ways can the letters of the word 'GRINDER' be arranged? A) 2520 B) 1280 C) 3605 D) 1807 E) 1900
Last Answer : Answer: A) In these 7 letters, 'R' occurs 2 times, and rest of the letters are different. Hence, number of ways to arrange these letters = {7!} / {(2!) } = {7×6×5×4×3×2×1} / {2×1} = 2520.
Description : A cuboid shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height. 17. Two faces measuring 4 cm x 1 cm are coloured in black. 18. Two faces measuring 6 cm x 1 cm are coloured in red. 19. Two faces ... colour on two sides and rest of the four sides having no colour ? (a)12 (b)10 (c)8 (d)4
Last Answer : Answer key : (c)