Associative laws say it does not matter how we group the number final value will remain the same, for example, (a+b)+c = (a+b)+c, and same for multiplication.Commutative laws say we can swap numbers, and you still get the same number when you add, for example, a+b = b+a and same for multiplication.The formula for calculating compound interest is PX (1 + r/100) ^tĦ) What is Commutative, Associative and Distributive laws in maths? Where P is the principal amount, R is for the rate of interest and t is for time ![]() To calculate simple interest, the formula used is (PX RX T)/ 100 There are two types of interest which can be calculated using a different formula Remained/ total = 30/ 40 = 3 / 4 is the fraction remain in the rack Mathematics Interview Questionĥ) What is the formula for calculating the interest rate? Now, the second part is 10 of the boxes are in use which means that the total amount of box left is= 40 – 10 = 30. If each rack consist of 10 boxes of chalk stick, then the total number of the box on 4 racks will be What is the fraction that remains in the rack? In a given day, 10 boxes of chalk stick are in use. of wall space?Ĥ) In a staff room, there are four racks with 10 boxes of chalk-stick.
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