Among the four options given below three have similar properties. Find the word not matching with others:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Chanakya
Option (1) Aryabhatta — mathematician and astronomer of the 5th century CE, author of the Aryabhatiya.
Option (2) Shridhar — Sridhara, a mathematician of early medieval India known for his rule for solving quadratic equations.
Option (3) Ramanujan — Srinivasa Ramanujan (1887-1920), the mathematician famous for his work on numbers and infinite series.
Option (4) Chanakya — the teacher and adviser of Chandragupta Maurya, known for the Arthashastra on statecraft and economics; he was a political thinker, not a mathematician, so Chanakya is the odd one out.