In an examination involving quantitative aptitude and logical reasoning, 65% examinees cleared quantitative aptitude test while 70% cleared logical reasoning test. If 50% examinees passed both the tests, then how many failed in both tests?
35%
15%
30%
20%
Explanation:
Total number of students who passed in atleast one exam=65+70-50=85
students who failed in both=100-85=15%.