Which of these cycle could possibly be executed by the engine?

Question

A heat engine receives 1000 kW of heat at a constant temperature of 285⁰C  and rejects 492 kW of heat at 5⁰C. Consider the following thermodynamic cycles in this regard:                   

1. Carnot cycle

2. Reversible cycle

3. Irreversible cycle

Which of these cycle could possibly be executed by the engine?

(a) 1 only                     (b) 3 only

(c) 1 and 2                   (d) None of 1,2 & 3