alleryنمبروں کے ان جوڑوں میں سے کون سا پرائم ہے؟
A12 اور 18
B14 اور 21
C8 اور 15
D20 اور 25
Answer & Solution
Correct answer: C. 8 اور 15
8 اور 15 1 کے علاوہ کوئی تقسیم نہیں کرتے ہیں، جبکہ دوسرے جوڑے 6، 7 یا 5 کا اشتراک کرتے ہیں۔
Keep practising LCM and HCF
Browse all LCM and HCF questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · HCF and LCM CalculationsFind the Least Common Multiple (LCM) of the numbers 12 and 18:Find the Highest Common Factor (HCF) of 24 and 36:RRB NTPC · Find LCM of Number PairsFor a > b, common divisors of a and b are identical to common divisors of b andFor any positive integer a, what is the value of gcd(a, a)?How is the least common multiple of a and b computed using their GCD?Two positive integers are coprime or relatively prime if their GCD equals