Question 78

The number of non zero digits in $$(101010101)^2$$ is

Solution

Let's check this for smaller number $$(101)^2$$=10201

$$(10101)^2$$=102030201

$$(1010101)^2$$=1020304030201

The similar pattern follows for $$(101010101)^2$$. And the value will be 10203040504030201. So, there are 9 non-zero digits.

Share on Whatsapp Share on Whatsapp

SRCC Quant Questions | SRCC Quantitative Ability

SRCC DILR Questions | LRDI Questions For SRCC

SRCC Verbal Ability Questions | VARC Questions For SRCC

Also Read

CAT Mock Tests

CAT 2025 Course

Free CAT Preparation

CAT Questions

CAT Formulas PDF

CAT Study Material

CAT Score vs Percentile

CAT Percentile Predictor

CAT Sectional Tests

CAT Exam

CAT Prep Videos

CAT Registration

CAT Syllabus 2025

CAT Eligibility Criteria

CAT Admit Card

CAT Score Calculator

Follow us on

Boost your Prep!

Download App