Register

Made Easy aptitude

1,117 views
0 0 votes

A=486 - 2171. How many digits would be there if A is expressed in binary base?

a)171

b)86

c)87

d)172

 

Kindly give the explanation along with the answer.

1 Answer

2 2 votes

first 486 can be expressed as 2172

now, A= 2172-2171 

=>2171(2-1) =2171

as 21 expressed as (10)2

 4 (22)  as (100)2

2^n as n+1.

so, answer is 172.  D

Voting & Accepting an answer helps improve the community
← Previous · Timestamp Ordering P...Next → · Made Easy Aptitude
← Previous in category · Age problemsNext in category → · Made Easy Aptitude
Position:
Show:

Related questions

0 0 votes
1 1 answer
869
869 views
Vashishtha asked Sep 9, 2023
869 views
Made Easy Aptitude
A man wrote all the natural numbers starting from 1 in a series. What will be the 50th digit of the number?a) 1 c) 2b) 3 d) 4
0 0 votes
1 1 answer
739
739 views
vanshikhahere asked Sep 8, 2023
739 views
Made easy general aptitude
A starts a business with a capital of 1200. B and C join with investments after 3 and 6 months respectively. If at the end of a year, the profit is divided in the ratio 2...
0 0 votes
1 1 answer
646
646 views
vanshikhahere asked Sep 8, 2023
646 views
Made easy general aptitude
Amit, nitin and ravinder entered into a partnership . Amit invested 16000 for 9 months, nitin invested 12000 for 6 months and ravinder invested 8000 for 12 months. At the...
1 1 vote
1 1 answer
641
641 views
vanshikhahere asked Sep 8, 2023
641 views
made easy general aptitude
In an examination, 35% students failed in one subject, 42% failed in another subject while 15% failed in both. How many students passed in either of the subjects if the t...