Number system and simplification
Test yourself on Number system and simplification
5 practice questions for RPF SI with instant answers, ~3 minutes — the first 2 free, then sign up free with Google.
Study notes are still being prepared.
Don't wait — Shishya can teach you this topic right now, on demand.
Ask Shishya to teach this →About this topic in RPF SI
- In the exam pattern: Computer Based Test (CBT), Arithmetic: 35 questions, 35 marks (RRB notice, 15 Apr 2024).
Signed-in students aged 13 and above can share their own notes on Number system and simplification here; a moderator reads each one first.
Need more? Ask Shishya
Shishya is your personal tutor for this topic. Pick a starter or open a free chat.
- Go deeper on this topicGo deeper on Number system and simplification for RPF SI — examples and edge cases I should know.
- Show me exam shortcutsGive me 3 fastest shortcuts to solve Number system and simplification questions in the exam.
- What mistakes should I avoid?What are the most common mistakes students make on Number system and simplification? How do I avoid them?
- Quiz me adaptivelyQuiz me on Number system and simplification — start with one easy question, then go harder based on how I answer.
Practice this topic
Take a full mock →Q1 · Number system and simplification · MEDIUM
What is the unit digit of 8^35 x 3^62 x 7^29?
Q2 · Number system and simplification · MEDIUM
A number when divided by 143 leaves a remainder of 25. What will be the remainder when the same number is divided by 13?
Q3 · Number system and simplification · MEDIUM
What is the largest four-digit number that is exactly divisible by each of 12, 18 and 30?
Q4 · Number system and simplification · MEDIUM
What is the LCM of the fractions 2/3, 4/9 and 5/6?
Q5 · Number system and simplification · MEDIUM
Simplify: 0.25 x 480 + 3/8 of 640 - 15% of 1,200