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65 = 13 × 5 and 78 = 13 × 6. Since 5 and 6 are coprime, the HCF is 13. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HPF&AS quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.70 = 14 × 5 and 84 = 14 × 6. Since 5 and 6 are coprime, the HCF is 14. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HPF&AS quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.75 = 15 × 5 and 90 = 15 × 6. Since 5 and 6 are coprime, the HCF is 15. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HPF&AS quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.80 = 16 × 5 and 96 = 16 × 6. Since 5 and 6 are coprime, the HCF is 16. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HPF&AS quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.85 = 17 × 5 and 102 = 17 × 6. Since 5 and 6 are coprime, the HCF is 17. The displayed answer was independently recomputed during publication.
Source: NCERT Mathematics Classes VI–X · HCF; mapped to the published HPF&AS quantitative/numeracy area; answer independently recomputed. Syllabus-aligned practice—not a previous-year question.Know what you are practisingVerified and AI-generated records remain labelled separately. Previous-exam claims appear only when the source record supports them.