4. In a survey of 500 students of a college, it was found that 49% liked watching football, 53%liked watching hockey and 62% liked watching basketball. Also, 27% liked watchingfootball and hockey both, 29% liked watching basketball and hockey both and 28% likedwatching football and basket ball both. 5% liked watching none of these games.a) How many students like watching all the three games?b) Find the ratio of number of students who like watching only football to those wholike watching only hockey.c) Find the number of students who like watching only one of the three given games.d) Find the number of students who like watching at least two of the given games.

Given, in a survey of 500 students of a college, it was found that 49% liked watching football, 53%…

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Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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