"The correct answer is 36. Key Points The FLOOR function in MS Excel is used for rounding down a given number to the nearest multiple of the given significance. The syntax of FLOOR is '=FLOOR(number, significance)'. The CEILING function in MS Excel is used for used for rounding up a given number to the nearest multiple of the given significance. The syntax of CEILING is '=CEILING(number, significance)'. Here, the given equation is =CEILING(19,4)+ FLOOR(19,4). '()' is the first bracket referred to as a function bracket. The '+' is used as an addition operator. ',' is used for separating the cells. In the =CEILING(19,4)+ FLOOR(19,4) function, CEILING(19,4) will return 20 and FLOOR(19,4) will return 16. 20 and 16 are the nearest multiple of 4. Thus the correct answer is 36."

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