GATE CSE 2020 Q7: Letter values: P = 3, R = 27, T = 243, find Q + S
- General Aptitude
- 2 marks
- MCQ
- −2/3 if wrong
Question
If P = 3, R = 27, T = 243, then Q + S = _______.
Try it: multiple choice: exactly one correct option
Wrong answer costs 2/3 mark in GATE.
Show answer and explanation
Answer: C (official GATE 2020 final answer key)
Concept used: Spot the geometric pattern across consecutive letters.
First step: P, R, T are , so consecutive letters multiply by 3: Q = and S = .
Full step-by-step solution
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Source: official GATE 2020 CS question paper and final answer key, organised by IIT Delhi. Question paper · Answer key
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