The text provided appears to be free of spelling, typographical, grammatical, OCR, and mathematical errors. However, the formatting could be improved for clarity and coherence. The text could be presented as follows:
Write the code in C++ language for the following student tasks:
1. Write the code for the priority scheduling algorithm.
2. Merge all the scheduling algorithms into one program.
3. Write a switch statement to select any type of scheduling algorithm.
Additionally, the mention of "LINUX(UBUNTU)" seems out of place and may need further clarification or context.