What is the greatest possible length which can be used to measure exactly the lengths 8 m, 4 m 20 cm and 12 m 20 cm?
10 cm
30 cm
25 cm
20 cm
Explanation:
Required length
= HCF of 800 cm, 420 cm, 1220 cm
= 20 cm
Next Question
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is: