Mastering Binary Numbers

Convert the denary number 25 to binary.

• 11010

• 11001

• 10101

• 11100

What is the denary equivalent of the binary number 110010?

• 60

• 50

• 52

• 48

Add the binary numbers 101010 and 011001.

• 110101

• 011110

• 100101

• 100111

Convert the denary number 100 to binary.

• 1100100

• 110010

• 10100

• 1000

What is the denary equivalent of the binary number 11111111?

• 128

• 64

• 255

• 512

Add the binary numbers 00001111 and 00000001.

• 00010001

• 00000010

• 00001110

• 00010000

Convert the denary number 64 to binary.

• 1010000

• 1100000

• 1001000

• 1000000

What is the denary equivalent of the binary number 10101010?

• 170

• 150

• 160

• 180

Add the binary numbers 00110011 and 00001111.

• 00111100

• 00110101

• 00011110

• 00110000

Convert the denary number 15 to binary.

• 1001

• 1010

• 1110

• 1111