Saved Bookmarks
| 1. |
Fill up the missing digit. If (128)a = (450)b then (16)a = ( )10 |
|||||||||
|
Answer» L.H.S. contains 2 & 8, so a 2 and a ≠ 8. R.H.S. contains 4 and 5, so b ≠ 2. L.H.S. < R.H.S. so a > b and a ≠ b also. The possible values of a and b are given below.
Case I: a = 16 and b = 8 (128)16 = (296)10 (450)8 = (296)10 So, a = 16 and b = 8. Then (16) = 1 × 16 + 6 × 160 = (22)10 |
||||||||||