SSC Government Jobs Exams Numerical Ability Arithmetic

The ratio of two numbers is 4 : 5. If the HCF of these numbers is 6, what is their LCM?

Options
1) 30
2) 60
3) 90
4) 120

Read Solution (Total 2)

4*6=24, 5*6=30
So the two numbers are 24,30
LCM of 24 and 30 is 120
7 years agoHelpfull: Yes(0) No(0)

120 is right answer
5 years agoHelpfull: Yes(0) No(0)

SSC Other Question

A rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

Options
1) 95
2) 92
3) 88
4) 82 What is the least number which when doubled will be exactly divisible by 12, 14, 18 and 22 ?

Options
1) 1286
2) 1436
3) 1216
4) 1386