exam Maths Puzzle Numerical Ability

Given: (segment)AB is parallel to (segment)CD; (segments)AD and CB are congruent; (segments)AD and CB bisect each other at X.
Prove: triangle ABC is congruent to triangle CDA

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exam Other Question

If c1 and c2 are independent events , show that the following pairs of events are also independent
1. c1 complement and c2
2. c1 complement and c2 complement
A box of anthony thomas candy contains 9 dark chocolate creams, 6 milk chocolate creams, and 4 milk chocolates with nuts. How many ways can 5 candies be selected to meet each condition?

2 of one kind, 3 of another.