1) The successor of 99 is a) 99 b) 98 c) 100 d) none of these. 2) The predecessor of 100 is a) 101 b) 100 c) 99 d) The natural number that has no predecessor isnone of these. 3) The natural number that has no predecessor is a) 1 b) 10 c) 100 d) 1000. 4) The difference between the successor of a number and the number itself is a) 0 b) – 1 c) 1 d) none of these. 5) To find the predecessor of a number, we have to subtract from the number itself. a) 1 b) 2 c) 3 d) 4. 6) The smallest whole number is a) 0 b) 1 c) -1 d) none of these 7) Which of the following statement is true? a) All-natural numbers are also whole numbers. b) All whole numbers are also natural numbers. c) There is no smallest whole number. d) The greatest whole number is 100. 8) Which of the following is true? a) 210 > 201 b) 210 < 201 c) 210 = 201 d) none of these. 9) How many natural numbers are there between 1 and 10? a) 6 b) 7 c) 8 d) 9. 10) Which of the following statement is true? a) The whole number 0 has no predecessor. b) There are 10 whole numbers between 11 to 21. c) The successor of a two-digit number is always a two-digit number. d) The predecessor of a two-digit number is never a single digit number. 11) Find 27 ÷ (9 ÷ 3). a) 3 b) 6 c) 9 d) 27. 12) Find (24 ÷ 4) – 2. a) 1 b) 3 c) 4 d) 2. 13) 1 ÷ 0 = a) 1 b) 0 c) 2 d) not defined 14) '3 + 5 = 5 + 3’ a) closure property b) commutativity of addition c) commutativity of multiplication d) none of these. 15) '(1 + 2) + 3 = 1 + (2 + 3)’ a) commutativity of addition b) associativity of addition c) commutativity of multiplication d) associativity of multiplication.

Maths - Whole Numbers

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