# The fastest speed of jet ever recorded was _____ ? with Answer - General Knowledge MCQs | TestPrep

> Solved MCQ: The fastest speed of jet ever recorded was _____ ? Correct Answer: C. Mach 6.72. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# The fastest speed of jet ever recorded was _____ ?

Direct Answer & Quick Reference

The correct option is **C. Mach 6.72**.

The NASA/USAF X-15 is the fastest fighter jet ever produced. It reached record top speed of Mach 6.72 or 4,520 mph, which is more than five times the speed of sound.

A. Mach 3.43

B. Mach 2.91

C. Mach 6.72 **(Correct Answer)**

D. None of These

✨ Explain with AI

Verified Key: C. Mach 6.72
Solved by 5,747+ students

**Detailed Explanation & Reference:**

The NASA/USAF X-15 is the fastest fighter jet ever produced. It reached record top speed of Mach 6.72 or 4,520 mph, which is more than five times the speed of sound.

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