Question

A number in binary system is $110001$. It is equal to which one of the following numbers in decimal system?

• A. $45$
• B. $46$
• C. $48$
• D. $49$

Answer 1

The correct option is D $49$

In binary system value is $110001$

Actual value will be $(2^5\times 1)+(2^4\times 1)+(2^3\times 0)+(2^2\times 0)+(2^1\times 0)+(2^0\times 1)=32+16+0+0+0+1=49$