A universal set U with 156 elements has been partitioned into three subsets, A, B, and C. If B is 5 times the size of A and C is 4 times the size of B, then how many elements are in B? (A) 7 (В) 30 (C) 36 (D) 120 (E) 156 (F) 5 (G) 31 (Н) 6

A universal set U with 156 elements has been partitioned into three subsets, A, B, and C. If B is 5 times the size of A and C is 4 times the size of B, then how many elements are in B? (A) 7 (В) 30 (C) 36 (D) 120 (E) 156 (F) 5 (G) 31 (Н) 6

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

A universal set U with 156 elements has been partitioned into three subsets, A, B,
and C. If B is 5 times the size of A and C is 4 times the size of B, then how many
elements are in B?
(A) 7
(В) 30
(С) 36
(D) 120
(E) 156
(F) 5
(G) 31
(Н) 6

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