Saved Bookmarks
| 1. |
If sum of two numbers is 1215 and their HCF is 81, then the possible number of pairs of such numbers are (a) 2(b) 3(c) 4(d) 5 |
|
Answer» Correct answer is: (c) 4 Since HCF = 81, two numbers can be taken as 81x and 81y, ATQ 81x + 81y = 1215 Or x + y = 15 which gives four co prime pairs - 1,14 2,13 4,11 7, 8 |
|