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Math (PS) A 4 cm cube is cut into 1 cm cubes. What is the percentage increase in the surface area after such cutting? (A) 4% (B) 166% (C) 266%…
Posts published by “Miranda Menestrina”
Math (PS) Which expression has the greatest value? (A) (B) (C) (D) (E) Question Discussion & Explanation Correct Answer - C - (click and drag your mouse to see the…
Math (DS) Set consists of a certain number of even integers divisible by 3. Is standard deviation of positive? 1. All elements of set are positive 2. The range of…
Math (DS) If sets and are united into a single set, will the mean of this set be smaller than the sum of means of sets and ? 1. and…
Math (PS) If is a positive integer, is defined as the number of positive integers which are less than and do not have common factor with other than 1. If…
Math (DS) A rectangle is inscribed in a circle of radius 5. Is the area of the rectangle bigger than 48 ? 1. The ratio of the lengths of sides…
Math (DS) Is the perimeter of a rectangle greater than 8 inches? 1. The diagonal of the rectangle is twice as long as its shorter side 2. The diagonal of…
Math (DS) Is $latex |X+1|
Math (DS) What is the mean of four consecutive even integers , , , ? is the smallest of the four integers. 1. 2. Question Discussion & Explanation Correct Answer…
Math (DS) Vertices of a triangle have coordinates , and . Is the area of the triangle bigger than 15? 1. $latex A