allery14, 42 ଏବଂ 77 ର ଲଘିଷ୍ଠ ସାଧାରଣ ଗୁଣିତକ (LCM) ହେଉଛି:
A308
B462
C154
D168
Answer & Solution
Correct answer: B. 462
1. ମୌଳିକ ଗୁଣନୀୟକ ବିଶ୍ଳେଷଣ: 14 = 2×7, 42 = 2×3×7, 77 = 7×11.
2. LCM ପ୍ରତ୍ୟେକ ମୌଳିକ ସଂଖ୍ୟାର ସର୍ବୋଚ୍ଚ ଘାତକୁ ନିଏ: 2 × 3 × 7 × 11.
3. = 462.
_ଉତ୍ସ: RRB Group D CEN-02/2018 PYQ, Q.8._
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