Permutations & Combinations
Dictionary Order — Serial Number of THAMS
nta_pyq_2023_apr
Grade 11
Question:
Letters of MATHS permuted in dictionary order. Serial number of THAMS is
Step-by-Step Solution
Key Concept: Alphabetical order of MATHS: A,H,M,S,T. Count words before THAMS.
Serial number $=103$.
Correct Answer: 1