Mathematics
Work through a maths lesson, read the explanations and revisit the steps you missed.
Railway preparation · QALLERY APP
Make time for mathematics, reasoning and general awareness, one lesson at a time. Choose your lesson language, practise in the Qallery app and return to your saved progress.
3,840 practice questions · 15 lesson languages
Get RRB NTPC in the app
INSIDE YOUR COURSE
Work through a maths lesson, read the explanations and revisit the steps you missed.
Practise a reasoning topic and compare your approach with the explanation after each attempt.
Use question practice to check what you remember and identify facts that need another look.
Start with one subject you want to strengthen. Finish a lesson and review your mistakes before moving to the next topic. Choose a lesson language you are comfortable reading so you can focus on the reasoning.
A ROUTINE YOU CAN RETURN TO
Open your course in the app and pick a subject or topic you want to practise.
Complete a lesson, read the explanations and review the answers you missed.
Save your account to keep your progress. Come back to review or begin your next lesson.
START ON YOUR PHONE
Choose from 15 published lesson languages, including English and Hindi.
RRB NTPC · English
On your phone, install Qallery, then return to this page and tap “Open my course”. Sign in with your existing account to keep your progress.
Already installed? Open my courseEnglish, हिन्दी, অসমীয়া, বাংলা, ગુજરાતી, मराठी, ଓଡ଼ିଆ, தமிழ், తెలుగు, ಕನ್ನಡ, മലയാളം, ਪੰਜਾਬੀ, कोंकणी, Manipuri, اردو.
The language selector sets your lesson language. Some app controls and account screens use English or Hindi.
The app shows the topics and lessons currently available in this course. The question count describes published practice; it is not a claim of complete syllabus coverage. Use the course alongside your other study materials.
Yes. Sign in to the app with the same saved username and PIN. If you have studied on the web without setting a PIN, save your account before moving.
Qallery offers practice with optional paid features. Check the app for current access and prices; you will see the price before making a purchase.
Lessons and practice are in the Qallery app for Android and iPhone. Use this website to explore courses, choose a lesson language and get the app.
Return to this page on your phone and tap “Open my course”. You can also open Qallery from your home screen and choose RRB NTPC in the app.