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A man walks 20 m towards South.Than turning to his right he walks 30 m.Than turning to his left he walks 20 m.Again turning to his left he walks 30 m.How far is he from his starting position ?
A drives 30 km south. Then he turns right and drives another 30 km. Turning left from here. he drives 20 km. finally turning left, he drives 30 km. How far is A from his starting position?
The purpose of turning radius gauges is to measure the
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The pilot of a small aircraft with a 40 gallon fuel tank wants to fly to Cleveland , which is 480 miles engine , which can fly only 8 miles per gallon, will not get him there , By how many miles per gallon must the aircraft's fuel efficiency be improved to make the fight to Cleveland possible?
A cylindrical rod of iron, whose height is equal to its radius ,is melted and cast into spherical balls whose radius is half the radius of the rod. find the number of balls.
A cylindrical rod of iron, whose height is equal to its radius, is melted and cast into spherical balls whose radius is half the radius of the rod . Find the number of balls.
The safe speed for a train rounding a corner is proportional to the square root of the radius . If the safe speed for a curve of radius 49 meters is 28 km/h. The safe speed for a curve of radius 64 metes is :
Supersonic jet causes pollution by thinning of
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