Start learning →

The HCF of 6 and 20 is:

A120
B2
C60
D1
Answer & Solution
Correct answer: B. 2
6 = 2·3, 20 = 2²·5; common factor is 2, so HCF = 2.
Practise this question with Quill — Andhra Pradesh SSC (Class 10) →

Keep practising Real Numbers and Polynomials

Browse all Real Numbers and Polynomials questions for Andhra Pradesh SSC (Class 10), or explore more Mathematics topics.

Start a Real Numbers and Polynomials lesson →
Related questions
CLASS10 · Mathematics · Polynomial Zeros & CoefficientsCLASS10 · Mathematics · HCF & LCM PairsAP nth term formula.Pythagorean theorem.Sort each number as Prime or Composite.Match each trig ratio to its definition in a right triangle.Pop only the irrational numbers.Continue the arithmetic progression.