Algebra - Number System - Previous Year CAT/MBA Questions
The best way to prepare for Algebra - Number System is by going through the previous year Algebra - Number System XAT questions. Here we bring you all previous year Algebra - Number System XAT questions along with detailed solutions.
Click here for previous year questions of other topics.
It would be best if you clear your concepts before you practice previous year Algebra - Number System XAT questions.
To keep track of your progress of PYQs join our FREE CAT PYQ Course.
Join our Telegram Channel for CAT/MBA Preparation.
Two number in the base system B are 2061B and 601B. The sum of these two numbers in decimal system is 432. Find the value of 1010B in decimal system.
- (a)
110
- (b)
120
- (c)
130
- (d)
140
- (e)
150
Answer: Option C
To keep track of your progress of PYQs join our FREE CAT PYQ Course.
Join our Telegram Channel for CAT/MBA Preparation.
Text Explanation :
(2061)B = (1 + 6B + 2B3)10
(601)B = (1 + 6B2)10
∴ 2B3 + 6B2 + 6B + 2 = 432
⇒ B3 + 3B2 + 3B + 1 = 216
⇒ (B + 1)3 = 216
⇒ B = 5
∴ 10105 = (1 × 53 + 1 × 5)10 = 13010
Hence, option (c).
Workspace:
Feedback
Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.