What is the next letter in the series: A, C, E, G, ?

A. I

In a coding system, if 'APPLE' is coded as '116161', what is the code for 'GRAPE'?

A. 718161

  - Select the even number from the following options.

B. 4

In a code, 'FISH' is represented as '6-9-19-8'. What would be the code for 'BIRD'?

A. 2-9-18-4

A family consists of a mother, a father, and three children: P, Q, and R. P is the eldest child and is a doctor. Q is a teacher and is younger than P but older than R. What is R's profession if all children have different professions?

A. ENGINEER