Number Systems
Number Systems — Class 10 Maths notes, solved examples, online MCQ test and IMO practice on Vidaara.
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Euclid’s Division Lemma
What is Euclid's Division Lemma? Euclid's Division Lemma states that for any two positive integers a (dividend) and b (divisor), there exist unique in…
Start this topic → 2Fundamental Theorem of Arithmetic
What is the Fundamental Theorem of Arithmetic? Every composite number greater than 1 can be expressed as a product of prime numbers , and this factori…
Start this topic → 3Revisiting Irrational Numbers
What are irrational numbers? An irrational number is a real number that cannot be written as a fraction where and are integers and . Its decimal expan…
Start this topic → 4Decimal Expansions of Rational Numbers
What are the decimal expansions of rational numbers? Every rational number written as in lowest terms ( ) has a decimal expansion that is one of two k…
Start this topic →Chapter-wide tests
Online Test
10 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
35 marks • 75 min • with answer key