Chapter 2: Whole Numbers Exercise 2.1 Q1. Write the next three natural numbers after 10999. Answer. 10,999 + 1 = 11,000 11,000 + 1 = 11,001 11,001 + 1 = 11,002 Q2. Write the three whole numbers occurring just before 10001. Answer. 10,001 – 1 = 10,000 10,000 – 1 = 9,999 9,999 – 1 = … Read more

Chapter 2: Whole Numbers Exercise 2.2 Q1. Find the sum by suitable rearrangement: (a) 837 + 208 + 363 (b) 1962 + 453 + 1538 + 647 Answer. (a) 837 + 208 + 363 = (837 + 363) + 208 = 1200 + 208 = 1408 (b) 1962 + 453 + 1538 + 647 = (1962 … Read more

Chapter 2: Whole Numbers Exercise 2.3 Q1. Which of the following will not represent zero: (a) 1 + 0 (b) 0 x 0 (c)   (d)  Answer. (a)  is equal to 1 Q2. If the product of two whole numbers is zero, can we say that one or both of them will be zero? Justify through … Read more