કઈ જોડીમાં 1 સિવાય કોઈ સામાન્ય ધન અવયવ નથી?
A14 અને 21
B15 અને 25
C14 અને 25
D21 અને 35
Answer & Solution
Correct answer: C. 14 અને 25
14 = 2 × 7 અને 25 = 5 × 5 કોઈ અવિભાજ્ય અવયવ વહેંચતા નથી, તેથી તેમનો HCF 1 છે.
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