# A pupil of Plato’s great student, who developed the system of concentric spheres borrowed by Ptolemy, was this man who advanced the system of epicycles, adding an additional seven, laying the final groundwork for the system adopted by Aristotle and Ptolemy Who was he? with Answer - Political Science Mcqs | TestPrep

> Solved MCQ: A pupil of Plato’s great student, who developed the system of concentric spheres borrowed by Ptolemy, was this man who advanced the system of epicycles, adding an additional seven, laying the final groundwork for the system adopted by Aristotle and Ptolemy Who was he? Correct Answer: B. Callipus. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# A pupil of Plato’s great student, who developed the system of concentric spheres borrowed by Ptolemy, was this man who advanced the system of epicycles, adding an additional seven, laying the final groundwork for the system adopted by Aristotle and Ptolemy Who was he?

Direct Answer & Quick Reference

The correct option is **B. Callipus**.

A. Eratosthenes

B. Callipus **(Correct Answer)**

C. Diophantus

D. Eppipides

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Verified Key: B. Callipus
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