Q.1 Which of the following are examples of the null set :
(iv) { y : y is a point common to any two parallel lines}
Parallel lines do not intersect so they do not have any common point.
Hence, it is a null set.
CBSE issues final reminder to schools for supplementary exam LOC submission; submit by today without late fee
CBSE Supplementary Exam 2025: Registrations open for Class 10, 12 private students today
CBSE opens application to access 10th answer scripts; verification, revaluation for Class 12 starts on May 31
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