Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is: 

A number of friends decided to go on picnic and planned to spend Rs. 108 on eatables. Three of them however did not turn up. As a consequence, each one of the remaining had to contribute Rs 3. extra. The number of them who attended the picnic was:

The HCF and LCM of two numbers are 12 and 336 respectively. If one of the number is 84, the other is

A milk in vendor has 21 liters of cow milk, 42 liters of toned milk and 63 liters of double toned milk. If he wanted to pack them in cans so that each can contains same liters of milk and does not want to mix any two kinds of milk in a can, then the least number of cans required is : 

The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of number is 

If the ratio of two numbers is 13 : 15 and their L.C.M. is 39780. Then the numbers are?

If the product of three consecutive numbers is 210 then the sum of the smaller numbers is: 

Three bells ring at interval of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a par- ticular time They will ring to gether after every