BTT Practice BTT FTT RTT Question 433 of 497

A tyre needs to be changed when

87% complete

Answer: B) The depth of its tread is less than 1.6 mm.

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Reference

Traffic sign library

Revisit warning, regulatory, and directional signs that commonly appear in theory prep.

Road Knowledge

Theory test guide

Review test order, PDL timing, and study structure before your next practice run.

Penalties

Demerit points (DIPS)

Pair rule knowledge with the thresholds and offence types that matter to real drivers.