Find the HCF of 132, 204 and 228. · ABC26GN0572

Subject: General Aptitude · Chapter: H.C.F. and L.C.M. of Numbers · Exam: Indian Railways—Gr. ‘D’ Exam 2014

Find the HCF of 132, 204 and 228.

(a)12

(b)18

(c)6

(d)21

Answer

Answer (as printed): A

Explanation

H.C.F. of 132, 204 and 228: 132 = 2 × 2 × 3 × 11; 204 = 2 × 2 × 3 × 17; 228 = 2 × 2 × 3 × 19. So HCF of 132, 204 and 228 is 2 × 2 × 3, i.e., 12. Required HCF = 12.

Explanation as extracted from the printed page; notation may be imperfect.

Study loop for H.C.F. and L.C.M. of Numbers

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