A survey on a sample of 25 people was conducted and the following data were recorded : 15 had cell phone ; 12 had e-mail ID ; 1 1 had credit card ; 5 ... both the subjects, then using Venn diagram, find the total number of candidates who appeared at the examination. ... In a group of 70 students, 30 are studying Set theory, 44 are studying Calculus and 28 are studying Boolean algebra ; 22 are studyinganbsp;...
|Title||:||Rudiments of Mathematics Part 1|
|Author||:||Mukherjee, Mukhopadhyay, Sinharay & Dasgupta|
|Publisher||:||Academic Publishers -|