Muttiah Muralitharan was the fastest bowler to reach 200 Test wickets. In how many Tests?

Answer Explanation

Muttiah Muralitharan reached 200 Test wickets in just 38 Tests in 1998 — the fastest by any bowler. He subsequently set world records reaching 400, 600 and 800 Test wickets. His 800 Test wickets remains the world record; espncricinfo.com.