self Maths Puzzle

The ratio of three positive integers is 2:4:5 and their least common multiple is 200. What is the sum of the smallest and the largest of the three numbers?

Read Solution (Total 2)

70
here three numbers are 20,40,50
11 years agoHelpfull: Yes(0) No(0)

70
20,40,50
11 years agoHelpfull: Yes(0) No(0)

self Other Question

Last year, the number of employees at a company was equal to 600, and the ratio of men to women was 5:3. The company hired new employees with a men to women ratio of 1:2 this year, which made the new overall men to women ratio 4:3. How many new employees did the company hire this year? What is the value of x which satisfies the proportional expression (x+1):(2x−3)=3:5 ?