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ctets15p2 q48

0. If a = 3129 × 5128 × 722,
b = 3128 × 5129 × 721,
c = 3127 × 5129 × 723 and
d = 3127 × 5128 × 724, then
HCF of a, b, c and d is

  • Option : B
  • Explanation : (B) HCF of a, b, c and d = 3127 × 5128 × 721
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