1 (i) Complete the following statements: Probability of an event E + Probability of the event ‘not E’ = ________ .
Probability of an event E + Probability of the event ‘not E’ = 1
CBSE to conduct Class 10, 12 practical board exams 2026-27 from November 9
CBSE opens LOC correction facility for Class 10, 12 board exams 2027; make changes by November 7
CBSE Date Sheet 2027 LIVE: Class 10, 12 subject-wise timetable soon; two board exam policy, grading system
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