The least number which when divided by 4, 6, 8 and 9 leave zero remainders in each case and when divided by 13 leaves a remainder of 7 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

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 

A number which when divided by 10 leaves remainder of 9, when divided by 9 leaves a remainder of 8, and when divided by 8 leaves a remainder of 7, is: 

The product of two number is 4107. If the HCF of the number is 37. The greatest number is

The ratio of two numbers is 2: 3 and their L.C.M is 48.  What is the number?

Find the HCF of 60, 148 and 382.

a and b are two whole numbers and c is their HCF, then the LCM of those two numbers is