Statement (I): In areas where extreme cold conditions are a regular feature, and more so particularly in winter, it is necessary to use lighter oil for automobiles than in summer.Statement (II): ‘Lighter’ in statement (I) refers to the oil density, which may be adjusted by admixtures.

• A. Both Statement (I) and Statement (II) are individually true; and Statement (II) is the correct explanation of Statement (I)
• B. Both Statement (I) and Statement (II) are individually true; but Statement (II) is NOT the correct explanation of Statement (I)
• C. Statement (I) is true; but Statement (II) is false
• D. Statement (I) is false; but Statement (II) is true.