exam Maths Puzzle Numerical Ability

In a car park, the ratio of red cars to green cars is 5:6, while that of green cars to blue is 3:10.Find the ratio of red cars to blue cars.

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exam Other Question

The perimeter of an equilateral triangle is 18. Find its area. A man has just won a sweepstakes giveaway. As his prize he has a choice of either $5000 in cash or $100 a month for 5 years. Assuming that interest rates are 8% compounded monthly