Area Problems Square units 13 by 9 of an office area is 107 117 97 127 107 117 97 127 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Square units 13 by 9 of an office means office of length 13 units and breadth 9 units. Now its area is 13x 9 = 117 square units or units square.
Area Problems A park of 10 meters long and 8 meters broad. What is the length of the longest pole that can be placed in the park? 12.8 metres 13.4 metres 18 metres 10 metres 12.8 metres 13.4 metres 18 metres 10 metres ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Length of the longest pole = ? [(10)2 + (8)2] m = ? 164 m = 12.8 m
Area Problems If the circumference of a circle is the 352 meters, then its area in m square is? 8956 5986 6589 9856 8956 5986 6589 9856 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP circumference = 2?r = 2 x (22 / 7) x r = 352? r = (352 x 7) / (22 x 2) =56 cmNow area = ?r2 = (22 / 7) x 56 x 56 m2= 9856 m2
Area Problems The diagonals of two squares are in the ratio of 3 : 2. Find the ratio of their areas. 9 : 2 9 : 4 9 : 7 9 : 5 9 : 2 9 : 4 9 : 7 9 : 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the diagonals of the squares be 3x and 2x.? Ratio of their areas = [(1/2) (3x2)] / [(1/2) (2x2)] = 9/4
Area Problems The Number of rounds that a wheel of diameter 7/11 m will make in going 4 km, is? 2000 1700 1500 1000 2000 1700 1500 1000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of round = total distance / circumference of wheel.= (4 x 1000) / ?d= (4 x 1000) / ( 22/7 x 7/11) = 2000
Area Problems The length and perimeter of a rectangle are the ratio of 5 : 18 What well be the ratio of its length and breadth? 3 : 5 5 : 4 4 : 7 4 : 3 3 : 5 5 : 4 4 : 7 4 : 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP According to the question,l/[2(l + b)] = 5/18? 10l + 10b = 18l = 10b? l/b = 10/8 = 5/4? l : b = 5 : 4Hence, ratio of length and breadth of a rectangle is 5 : 4
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