Decimal number 10 in binary is

Decimal number 10 in binary is:

1. 1000
2. 1001
3. 1010
4. 1010

Correct answer: 3. 1010

Explanation

To convert decimal to binary, divide the decimal number by 2. In the next step take quotient and divide it by 2 to obtain new quotient and remainder. Continue this process until integer quotient becomes 0.

10/2 = 5 + 0 -> 0

5/2 = 2 + 1/2 -> 1

2/2 = 1 + 0 -> 0

1/2 = 0 + 1/2 ->1

So 1010 is the binary of decimal number 10