Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.
सत्यवचनम् अस्ति
संभावना विश्लेषणम्
विभिन्नता उपयुज्यते
आचार-विचाराभ्यास
Continue with nearby questions to strengthen the same chapter concept while you still have the context fresh in mind.