1) What is the HCF of two consecutive numbers? 2) Zero has no predecessor. (True/False) 3) What is the HCF of two consecutive even numbers? 4) Under which operations, commutative property of whole numbers does hold? 5) Every natural number is a whole number. (True/False) 6) Every whole number is a natural number. (True/False) 7) How many whole numbers are there upto 500? 8) How many whole numbers are there between 51 and 77? 9) How many whole numbers are there from 32 to 45? 10) Which of the following is not a whole number? (A) 0 X 1 (B) 1 + 100 (C) 2 - 12 11) Identify the property: 21 + 13 = _____ + 21 12) Identify the property: 23 x (12 + 6) 13) Identify the property: 67 x 105 - 67 x 5 14) Identify the property: 12 + (57 + 43) = (12 + 57) + 43 15) Identify the property: 56 + 45 + 44 + 55

Revision of UT-1 Mathematics

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