Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Solution
Rightmost non-zero digit of $$30^{2720}$$ is same as rightmost non-zero digit of $$3^{272}$$.
272 is of the form 4k.
All $$3^{4k}$$ end in 1.
=> Right most non-zero digit is 1.
Video Solution
Your Doubts
Ask a Doubt
(know more)
Drop Your File Here!
Ask Your Doubt
Drop Your File Here!
Create a FREE account and get:
- All Quant CAT complete Formulas and shortcuts PDF
- 38+ CAT previous year papers with video solutions PDF
- 5000+ Topic-wise Previous year CAT Solved Questions for Free
CAT Quant Questions | CAT Quantitative Ability
CAT Averages QuestionsCAT Averages, Ratio and Proportion QuestionsCAT Algebra QuestionsCAT Inequalities QuestionsCAT Number Systems Questions
CAT DILR Questions | LRDI Questions For CAT
CAT Selection With Condition QuestionsCAT Routes And Networks QuestionsCAT Scheduling QuestionsCAT DI Miscellaneous QuestionsCAT Miscellaneous LR Questions
