Consider the following: Mahavir Jayanti Buddha Purnima Guru Nanak Jayanti Which among the above may fall in the same months of the Gregorian calendar?

Q. Consider the following: Mahavir Jayanti Buddha Purnima Guru Nanak Jayanti Which among the above may fall in the same months of the Gregorian calendar?
Answer: 1 & 2
Notes: 1. Mahavir Jayanti -April or March
2. Buddha Purnima - April or May
3. Guru Nank Jayanti -Usually in November