Three men step off together from the same spot. Their steps measure 63 cm, 70 cm and 77 cm respectively. The minimum distance each should cover so that all can cover the distance in complete steps is 

The HCF and LCM of two numbers are 3 and 2730 respectively. If one of the numbers is 78, find the other number.

If the least common multiple(LCM) of two numbers is 231, the Highest common multiple(H.C.F)  of both numbers is 11 and the first number is 77, then the second number is

Three Alarm make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

Find the L.C.M of .

Find the total number of Prime Factors of 720 ? 

The HCF of two numbers is 96 and their LCM is 1296. If one of the numbers is 864, the other is

If the product of two numbers is 4941 and their LCM is 81, then their HCF is: