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                                   Unnat Tuition Center Chapter 3: Playing with Numbers - NCERT Solutions Exercise 3.1 Question 1: Write all factors of the following numbers: (a) 24 (b) 15 (c) 21 (d) 27 (e) 12 (f) 20 (g) 18 (h) 23 (i) 36 Solution 1: Factors of a number are the exact divisors of that number. To find factors, we need to find all numbers that divide the given number exactly without leaving any remainder. (a) 24 Factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24 (Because 24 is divisible by each of these numbers) (b) 15 Factors of 15 are: 1, 3, 5, 15 (c) 21 Factors of 21 are: 1, 3, 7, 21 (d) 27 Factors of 27 are: 1, 3, 9, 27 (e) 12 Factors of 12 are: 1, 2, 3, 4, 6, 12 (f) 20 Factors of 20 are: 1, 2, 4, 5, 10, 20 (g) 18 Factors of 18 are: 1, 2, 3, 6, 9, 18 (h) 23 Factors of 23 are: 1, 23 (23 is a prime number, having only two factors: 1 and itself) (i) 36 Factors of...

                  Unnat Tuition Center Chapter 2: Whole Numbers - NCERT Solutions Exercise 2.1 Question 1: Write the next three natural numbers after 10999. Solution 1: The next three natural numbers after 10999 are: 11000 11001 11002 Question 2: Write the three whole numbers occurring just before 10001. Solution 2: The three whole numbers occurring just before 10001 are: 10000 9999 9998 Question 3: Which is the smallest whole number? Solution 3: The smallest whole number is 0 (Zero) . Question 4: How many whole numbers are there between 0 and 100? Solution 4: There are 100 whole numbers between 0 and 100. (These are the whole numbers from 1 to 99. We exclude 0 and 100 because we are looking for numbers between them). Question 5: Write the successor of: (a) 2440701 (b) 100199 (c) 1099999 (d) 2345670 Solution 5: The successor of a number is the number immediately following it, which is obtained by adding 1 to the number....

                                Unnat Tuition Center  Class 6th Math Chapter 1 NCERT Solutions Here are the solutions to all questions in every exercise of Chapter 1 "Knowing Our Numbers" from the NCERT Class 6th Math textbook. Exercise 1.1 Question 1: Fill in the blanks: (a) 1 lakh = __________ ten thousand. (b) 1 million = __________ hundred thousand. (c) 1 crore = __________ ten lakh. (d) 1 crore = __________ million. (e) 1 million = __________ lakh. Solution 1: (a) 1 lakh = 10 ten thousand. (b) 1 million = 10 hundred thousand. (c) 1 crore = 10 ten lakh. (d) 1 crore = 10 million. (e) 1 million = 10 lakh. Question 2: Place commas correctly and write the numerals: (a) Seventy-three lakh seventy-five thousand three hundred seven. (b) Nine crore five lakh forty-one. (c) Seven crore fifty-two lakh twenty-one thousand three hundred two. (d) Fifty-eight million four hundred twenty-three thousand t...