exam Maths Puzzle Numerical Ability

P(E1)=0.25, P(E2)= 0.75, P(F|E1)=0.05, p(F|E2)=0.12

P(E2|F)=

A. 0.188
B. 0.878
C. 0.060
D. 0.370

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exam Other Question

two cars leave an intersection at the same time and travel in opposite directions. one car travels at 20mph and the other car travels at 60mph how long will it take for the two cars to be 240 miles apart? I have a 2 colomn 'proving lines parallel' proof. The equation goes like this;
given: angle 2 and angle 1 are congruent, angle 1 and angle 3 are congruent.
prove: line AC is par