Which of the following are known food

The least number which when divided by 9, 12, 15, 18, and 21 leaves the same remainder 7 in each case, is:

The H.C.F of two numbers is 3 and their L.C.M is 782. If one of the numbers is 34, find the other?

Tell the product of two numbers, which are LCM 917 and HCF 1

The least number which when divided by 6, 8, 9 and 12 leave zero remainder in each case and when divided by 13 leaves a remainder of 7 is:

The HCF of two numbers is 12. Which one of the following can never be their LCM?

The greatest number, which when subtracted from 5462, gives a number exactly divisible by each of 25, 30, 32 and 40, is:

Let N be the greatest number that will divide 92, 114, 136 leaving the same remainder in each case. Then sum of the digits in N is:

The least number which when divided by 5, 15 and 25 leave a same remainder 2 in each case? 

The HCF of two numbers is 21. Which of the following can never be their LCM?