The Quantitative Reasoning section comprises 31 questions, and the time is 62 minutes. So, you must allocate 2 minutes for 1 question.
The Verbal Reasoning section features 36 questions, and the time is 65 minutes. So, you must allocate 1 minute to 80 seconds for 1 question.
The Integrated Reasoning section will comprise 12 questions, and the time is 30 minutes. So, you must allocate 2.5 minutes for each question.
Finally, the Analytical Writing Assessment is one task, and the time to finish is 30 minutes.
So, practice with GMAT sample papers and improve your solving time accordingly.