Exam Maths Puzzle Algebra

Highway A and Highway B intersect at right angles. A car on Highway A is presently 80km from the intersection and travelling at a speed of 50km per hour

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Exam Other Question

Which is larger Rs 35 : Rs 1.40 or Rs 48 : Rs 1.44
Suppose that I agree to pay you .08 cents for every problem you solve correctly on a test and fine you .05 cents for for every problem that you get wrong. If at the end of 26 problems we do not owe each other any money, how many problems did you get right?