allery16، 72 اور 28 کا HCF کیا ہے؟
A3
B4
C2
D1
Answer & Solution
Correct answer: B. 4
1۔ 16 = 2^4، 72 = 2^3 x 3^2، 28 = 2^2 x 7. 2۔ مشترکہ بنیادی عنصر 2 ہے، سب سے کم طاقت 2^2 = 4 ہے۔ 3 تو HCF = 4۔ _ذریعہ: RRB گروپ D CEN-02/2018 PYQ, Q.25._
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