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RRB Officer Scale-I (13 October 2019) Mains Memory Based Paper

Option 5 : 16

- Base 16 is used for hexadecimal number.>Hexadecimal the number system is a base-16 number system (0 to F).
- Base 10 is used for decimal number.
- Hexadecimal to decimal conversion →
Decimal

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

Hex

0

1

2

3

4

5

6

7

8

9

A

B

C

D

E

F

(64AC)16 = 6 × 163 + 4 × 162 + 10 × 161 + 12 × 160

(64AC)16 = 24576 + 1024 + 160 + 12

(64AC)16 = 25772