CBSE Class 10 Mathematics Polynomials Online Test Set A

  Refer to CBSE Class 10 Mathematics Polynomials Online Test Set A below. Students of Class 10 can refer to the full list of free Class 10 Polynomials Mock Test provided by StudiesToday. These MCQ based online mock tests for Polynomials in Grade 10 has been designed…

CBSE Class 10 Mathematics Real Numbers Online Test Set B

  Refer to CBSE Class 10 Mathematics Real Numbers Online Test Set B below. Students of Class 10 can refer to the full list of free Class 10 Real Numbers Mock Test provided by StudiesToday. These MCQ based online mock tests for Real Numbers in Grade 10 has been designed…

NCERT Solutions Class 10 Mathematics Chapter 1 Real Numbers

Exercise 1.1 Q.1) Use Euclid’s division algorithm to find the HCF of: (i) 135 and 225 (ii) 196 and 38220 (iii) 867 and 255 Sol.1) (i) 135 and 225 We start with the larger number 225 By Euclid’s division algorithm, we have 225 = 1 × 135 + 90 135 = 1 × 90 + 45 = 2 × 45 + 0…

CBSE Class 10 Mathematics Real Numbers Notes Set B

  Classification of Natural Numbers I) Natural numbers are divided into three groups:- i) Unit:-1 is the only unit in natural numbers. ii) Prime:-A natural number “a” is said to be Prime if it is divisible by 1 and ‘”a” itself. For example 2,3,5,7,11,13,17,19,23,29,31…

CBSE Class 10 Mathematics Real Numbers MCQs

More Questions: Question: The product of two consecutive integers is divisible by a) 2 b) 3 c) 5 d) 7 Answer: 2 Question: The product of three consecutive integers is divisible by a) 6 b) 7 c) none of these d) 5 Answer: 6 Question: n2 -1 is divisible by 8, if n is a…

CBSE Class 10 Mathematics Real Numbers Notes And Examples

  EUCLID’S DIVISION ALGORITHM : If ‘a’ and ‘b’ are positive integers such that a = bq + r, then every common divisor of ‘a’ and ‘b’ is a common divisor of ‘b’ and ‘r’ and vice-versa. Illustration-4 Use Euclid’s division algorithm to find the H.C.F. of 196 and 38318…

CBSE Class 10 Mathematics Real Numbers Worksheet Set I

Choose the correct answer from the given options: Question. The LCM of smallest two-digit composite number and smallest composite number is: (a) 12 (b) 4 (c) 20 (d) 44 Answer : C Question. 325 can be expressed as a product of its primes as: (a) 52 × 7 (b) 52 × 13 (c) 5 × 132…

CBSE Class 10 Mathematics Real Numbers Worksheet Set G

Fill in the blanks/tables with suitable information: Question. (2+√5/3) is .................... number. Answer : irrational Question. The HCF of two numbers is 27 and their LCM is 162. If one of the numbers is 54, the other number is…

CBSE Class 10 Mathematics Real Numbers Worksheet Set F

Question. The sum of exponents of prime factors in the prime-factorisation of 196 is: (a) 3 (b) 4 (c) 5 (d) 6 Answer : B Question. The HCF and the LCM of 12, 21, 15 respectively are (a) 3, 140 (b) 12, 420 (c) 3, 420 (d) 420, 3 Answer : C Question. 7 × 11 × 13 × 15…

CBSE Class 10 Mathematics Real Numbers Worksheet Set D

Q.- Insert a rational and an irrational number between 2 and 3.   Sol. If a and b are two positive rational numbers such that ab is not a perfect square of a rational number, then √ab is an irrational number lying between a and b. Also, if a,b are rational numbers, then…

CBSE Class 10 Mathematics Real Numbers Notes Set A

  Chapter 1: Real Numbers Points to Remember Key Concepts 5.Euclid’s Division Algorithm is stated for only positive integers but it can be extended for all integers except zero, i.e, b ≠ 0. 6.The numbers which can be represented in the form of p/q where q   0…

CBSE Class 10 Mathematics Real Numbers Assignment Set C

          Please click the link below to download CBSE Class 10 Mathematics Real Numbers Assignment Set C

CBSE Class 10 Mathematics Real Numbers Assignment Set D

          Click on link below to download CBSE Class 10 Mathematics Real Numbers Assignment Set D

CBSE Class 10 Mathematics Real Numbers Assignment Set E

        Please click the link below to download CBSE Class 10 Mathematics Real Numbers Assignment Set E

CBSE Class 10 Mathematics Real Numbers Assignment Set F

1. Euclid’s division lemma : For given positive integers ‘a’ and ‘b’ there exist unique whole numbers ‘q’ and ‘r’ satisfying the relation a = bq + r, 0 ≤ r < b. 2. Euclid’s division algorithms : HCF of any two positive integers a and b. With a > b is obtained as …