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### Question Asked by a Student from EXXAMM.com Team

** Q 2423501441. ** candles of the same height are lighted at the same time. The first is to be consumed in 5 hours and seconds in 4 hours.

Assuming that they burn at constant rates, in how many hours their height will be in ratio 3 : 2 ?

**RRB-CLERK 2016 Mains 2001**