exam Maths Puzzle Numerical Ability

Find the exact area of a triangle with a base of sqrt of 30 meters and height sqrt of 6 meters.

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exam Other Question

At 3pm a plane leaves London to fly to Madrid which is 1260 miles away. At 4PM a plane leaves Madrid to fly to London. The second plane flies 40 MPH faster than the first plane. If the planes pass one another at 4:30pm, what is the speed of each plane? A bicyclist rode into the country for 5h. In returning, her speed was 5 mi/h faster and the trip took 4h longer. What was his speed each way?