The Daniel Math Store · Problem Vault
5,000+ Solved Problems, One Vault
A structured library of solved mathematics problems — organised by chapter and difficulty, from PUC to Engineering. Every solution worked the way Daniel Sir teaches it: step by step, with the reasoning shown, not just the answer.
₹1,999 / year
Practice Is How Mathematics Is Learned
You don’t learn mathematics by reading — you learn it by solving. The Problem Vault gives you a lifetime of Daniel Sir’s carefully chosen problems in one place, so you’re never short of the right practice at the right level. Work through them at your own pace, check every step, and build the fluency that exams reward.
What’s Inside
Built for Real Practice
Organised by Chapter
Every problem mapped to its PUC or VTU chapter, so you can practise exactly what you’re studying now.
Graded by Difficulty
From foundation to exam-level and beyond — build up gradually or challenge yourself with the hardest problems.
Full Step-by-Step Solutions
Not just final answers — the complete method, so you learn how to think through each problem.
PUC to Engineering
One vault spanning Class 11, Class 12 and VTU mathematics — the same continuous journey, in your practice too.
A Full Year of Access
Twelve months to work through the vault at your own pace, revisiting problems whenever you need them.
Curated by Daniel Sir
Every problem chosen by a teacher with 30+ years of experience — not a random dump, but the ones that actually build skill.
Who It’s For
Made for Serious Students
PUC Students
Practising for board exams and KCET who want more quality problems than any textbook provides.
Engineering Students
Working through VTU mathematics who need worked problems on the topics that decide their semester results.
Daniel Classes Students
Current students who want to keep practising outside class hours, reinforcing exactly what Sir teaches.
Start Practising Today
Get a full year of access to the Problem Vault for ₹1,999. Enquire now and we’ll set you up.