exam Maths Puzzle Numerical Ability

Frank and Marie set sail from the same point. Frank is sailing in the direction S 6degrees E. Marie is sailing in the direction S 12 degrees W. After 11 hours, Marie was 9 miles

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exam Other Question

A ball is thrown upward from the to of a 98-meter tower with an initial speed of 39.2 m/s. How much later will it hit the ground? Hint: If h is the height of the ball above the top of the tower, then h=98 when the ball hits the ground 2/a+1 +3 / 3/a+1 +4