exam Maths Puzzle Numerical Ability

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exam Other Question

There are 30 kids in a class and there are 3 girls for every 2 boys how many girls are in the class?

6x3=18 18 girls

6x2=12 12 boys
The two parallel lines a and b are cut by a transversal c. Find the missing angles, and give a brief explanation as how you found each one.

Additional information: two straight