# A six-sided mosaic contains 24 triangular pieces of tile of the same size and shape, as shown in the figure above. If the sections of tile fit together perfectly, how many square centimetres of tile are in the mosaic? – OG 2020 Question #329 with Solution

OG 2020: Question No. 329 A six-sided mosaic contains 24 triangular pieces of tile of the same size and shape, as shown in the figure above. If the sections of tile fit together perfectly, how many square centimetres of tile are in the mosaic? Each side of each triangular piece of tile is 9 centimetres

# GMAT OG 2020 Quant Questions and Solutions

GMAT OG 2020 witnessed the addition of 123 new questions and removal of 23 old questions, thereby increasing the questions by 100 to a total of 907. The most number of questions have been added to Data Sufficiency, i.e., 59 and 3 old questions have been removed increasing the total number of questions in DS

# On a scale drawing, a rectangle 1 inch by 1(1/3) inches represents the floor of a room and the indicated scale is 1-inch equals 15 feet. How many square tiles 6 inches on a side will be needed to cover this floor? (1 foot = 12 inches) – OG 2020 Question #100 with Solution

[two_third] OG 2020: Question No. 100 On a scale drawing, a rectangle 1 inch by 1(1/3) inches represents the floor of a room and the indicated scale is 1-inch equals 15 feet. How many square tiles 6 inches on a side will be needed to cover this floor? (1 foot = 12 inches) 40 70

# In the floor plan of an executive’s beach house above, the north and south walls of the living room are parallel. What is the floor area, in square feet, of the bedroom? – OG 2020 Question #99 with Solution

[two_third] OG 2020: Question No. 99 In the floor plan of an executive’s beach house above, the north and south walls of the living room are parallel. What is the floor area, in square feet, of the bedroom? 450√3 450 225√3 225 It cannot be determined from the information given. [/two_third] [one_third_last] Source OG 2020

# Three-fourths of the area of a rectangular lawn 30 feet wide by 40 feet long is to be enclosed by a rectangular fence. If the enclosure has full width and reduced length rather than full length and reduced width, how much less fence will be needed? – OG 2020 Question #98 with Solution

[two_third] OG 2020: Question No. 98 Three-fourths of the area of a rectangular lawn 30 feet wide by 40 feet long is to be enclosed by a rectangular fence. If the enclosure has full width and reduced length rather than full length and reduced width, how much less fence will be needed? 2(1/2) 5 10

# In quadrilateral ABCD above, what is the length of AB? – OG 2020 Question #97 with Solution

[two_third] OG 2020: Question No. 97 In quadrilateral ABCD above, what is the length of AB? √26 2√5 2√6 3√2 3√3 [/two_third] [one_third_last] Source OG 2020 Type Problem Solving Topic Geometry Sub-Topic Triangle Difficulty Medium [/one_third_last] Solution Given In this question, we are given The diagram of the quadrilateral ABCD Length of AD = 1,