The ratio of two numbers is 4:5 and their LCM is 120. The numbers are

A farmer has 945 cows and 2475 sheep. He farms them into flocks, keeping cows and sheep separate and having the same number of animals in each flock. If these flocks are as large as possible, then the maximum number of animals in each flock and total number of flocks required for the purpose are respectively 

Find out the H.C.F of 306, 204 and 136.

Four runners started running simultaneously from a point on a circular track. They took 200 seconds, 300 seconds, 360 seconds and 450 seconds to complete one round. After how much time do they meet at the starting point for the first time? 

The smallest perfect square divisible by each of 6, 12 and 18 is : 

The largest number, which divides 25, 73 and 97 to leave the same remainder in each case, is 

The LCM of x² − 8x + 15 and x² − 5x + 6 is: 

The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are: