LCM, HCF

Quantitative Aptitude (CDS)

Title

45:30

8 of 24 completed

5 of 15 completed

38 of 100 completed

8 of 20 completed

Indian Economy - Understanding the basics of Indian economic system

Three piece of timber 42 m, 49 m and 63 m long have to be divided into planks of the same length. What is the greatest possible length of each plank?

7 m

14 m

42 m

63 m

The maximum possible length = (HCF of 42, 49, 63) = 7

Hence, option 1 is the correct answer.