The Grade Master

For school students · NCERT textbooks

Every chapter of your class, one quiz at a time.

Short quizzes made from your NCERT textbooks for Maths, Science and Social Science. Find out which topics you already know, and practise the ones you don’t.

Students sign up here. A parent or guardian approves the account by email before it can be used.

Class 10 · Mathematics · Real NumbersQ.1
The primary application of Euclid's division algorithm is to:
  1. (a)Find the LCM of two positive integers
  2. (b)Express a composite number as a product of primes
  3. (c)Compute the HCF of two positive integers
  4. (d)Prove that is irrational
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Classwork

How it works

  1. 1.

    Pick a chapter

    Every chapter of your NCERT textbook, in the order your teacher teaches it.

  2. 2.

    Answer a short quiz

    A few minutes, one question at a time. Get one wrong and it tells you why, not just the right answer.

  3. 3.

    See what to revise

    Each topic gets marked like a report card, so you know which ones to go back to before the exam.

Subjects

  • MathematicsNumbers, algebra, geometry, statistics
  • SciencePhysics, Chemistry, Biology
  • Social ScienceHistory, Geography, Civics, Economics