Question
Study the pattern.
50, Y , Z , 95, 110

Find the values of
  1. Y
  2. Z
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Study the pattern.
50, Y , Z , 95, 110

Find the values of
  1. Y
  2. Z