The H.C.F. of two numbers, each having three digits, is 17 and their L.C. M. is 714. The sum of the numbers will be :
1). 289
2). 391
3). 221
4). 731
The sum of two numbers is 45. Their difference is $\frac{1}{9}$ of their sum. Their L.C.M is
1). 200
2). 250
3). 100
4). 150
The sum of a pair of positive integer is 336 and their H.C.F. is 21. The number of such possible pairs is
1). 2
2). 3
3). 4
4). 5
The sum of two numbers is 84 and their HCF is 12. Total number of such pairs of number is
1). 2
2). 3
3). 4
4). 5
The sum of the H.C.F. and L.C.M of two numbers is 680 and the LC.M. is 84 times the H.C.F. If one of the number is 56, the other is :
1). 84
2). 12
3). 8
4). 96