Question

Aptitude
72
Q21
6
7 8
Three of the four numbers/words/letters
of the following question belong to the
same group or class. Pick up the one
which does not belong to that group.
o $31
243
413
612​

Answer 1

Answer:

write the least value of $cos^2\ theta + sec^2\ theta$

Answer 2

Answer:

please write properly