GMAT OG 2020 quant questions and solutions

GMAT OG 2020 Quant Questions and Solutions

A 10 minute read

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

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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

A < 1 minute read

Solution Given: Dimensions of the rectangular floor = 1 inch by 1(1/3) inches 1 inch = 15 feet 1 feet = 12 inches   To find: The number of square tiles 6 inches on a side will be needed to cover this floor.   Approach and Working: Dimensions of the rectangle in feet= 1 * 15

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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

A < 1 minute read

Solution Given In this question, we are given A rectangular lawn is 30 feet wide and 40 feet long. Three-fourth of the area of the lawn is to be enclosed by a rectangular fence.   To Find We need to determine The less amount of fence required, if the enclosure has full width and reduced

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The figure above shows a portion of a road map on which the measures of certain angles are indicated. If all lines shown are straight and intersect as shown, is road PQ parallel to road RS? – OGQR 2020 Question #222 with Solution

A 2 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences In this question, we are given: A portion of the roadmap Showing the measures of certain angles. All the lines shown in the figure are straight. We need to find: Whether road PQ is parallel to road RS. Per our conceptual understanding, when two parallel

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The heart-shaped decoration shown in the figure above consists of a square and two semicircles. What is the radius of each semicircle? – OGQR 2020 Question #219 with Solution

A 2 minute read

Solution Steps 1 & 2: Understand Question and Draw Inferences We are given: A heart shaped decoration figure. It consists: A square and two semicircles. We need to find: The radius of each semicircle. Let us assume that r is radius of the semicircle. Hence, 2r is the side of the square as shown. Therefore,

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