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                                                                Question 1: Work out                                      (a) 1234.4 ÷ 8 =  154.3                        (b)     3/7 of 5 Question 2:   (a) Write down the fraction of this 3x3 square that is shaded.   Answer = 3/ 9 = 1/ 3 (b) Evaluate 0.5^2 =0.25 Get Solved sums in handwritten form: press ✌ 3 ...

  The very first topic of O level mathematics syllabus D is Number and its various types. Certainly! Understanding and using various types of numbers is fundamental in mathematics. Let's delve into each of these concepts in detail: Natural Numbers: Natural numbers are the set of positive integers starting from 1 and extending infinitely (1, 2, 3, 4....). They are used for counting and ordering. Natural Numbers = {1, 2, 3, 4……….} Integers: Integers are whole numbers, both positive and negative, including zero (..., -3, -2, -1, 0, 1, 2, 3,  ...). They are used in a variety of mathematical operations and represent quantities in real-world situations. Integers = {……….. -3, -2, -1, 0, 1, 2, 3………..} Prime Numbers: Prime numbers are natural numbers greater than 1 that have no positive divisors other than 1 and themselves. For example, 2, 3, 5, and 7 are prime numbers. They are essential in number theory and are the building blocks for other numbers through prime factorizat...