Correct option is C
Using the principle of inclusion-exclusion:
Total persons = 40 + 25 − 10 = 55
(10 people are counted twice because they both kissed and shook hands).
At the birthday party of Anil, a baby boy, 40 persons choose to kiss him and 25 choose to shake hands with him. 10 persons choose to both kiss him and shake hand with him. How many persons turned out at the party ?
Using the principle of inclusion-exclusion:
Total persons = 40 + 25 − 10 = 55
(10 people are counted twice because they both kissed and shook hands).
Suggested Test Series
Suggested Test Series