The binary equivalent of 3 10 is

(a) 0010 2

(b) 0011 2

(c) 0101 2

(d) 1010 2



3 10 is a decimal number. 

To convert a decimal number to its binary equivalent:

  • Repeatedly divide the decimal number by 2 until the quotient becomes 1 and record all the remainders. 
  • The remainders should be written bottom to upwards to get the binary equivalent of the decimal number.

Converting Decimal 310 into Binary - Teachoo.jpg

Therefore, 3 10 = 11 2 = 0011 2

So, the correct answer is (b).

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.