Vidyalelo
Aptitude · Q42

Problems On H.C.F And L.C.M

Competitive Exams · Aptitude · question 42

Q42

The H.C.F of 4 × 27 × 3125, 8 × 9 × 25 × 7 and 16 × 81 × 5 × 11 × 49 is = ?

A.
180
Answer
B.
360
C.
540
D.
1260

Answer: Option A

Solution

Answer: Option A
Solution:
4 × 27 × 3125 = 22 × 33 × 55
8 × 9 × 25 × 7 = 23 × 32 × 52 × 7
16 × 81 × 5 × 11 × 49 = 24 × 34 × 5 × 11 × 72
∴ H.C.F = 22 × 32 × 5 = 180