exam Maths Puzzle Numerical Ability

There are 8 servings in a bag of popcorn. How many bags of popcorn are needed to serve x number of people? 24 people?

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exam Other Question

Diameter AB of circle O is 21 inches. Line AB is extended through B to a point C, and tangent Line CD is drawn, meeting the circle at D. CD is 6 inches longer than BC.

a) Let x represent BC. Express CD and CA in terms of x

b) Find BC
What is 33 1/3 % of 18.

The answer is 5.994