exam Maths Puzzle Numerical Ability

i have problem with this ques..plz will u help me...
1)If P(A)=1/3 and P(B)=3/5 and p(A U B)=14/15, then what type of events they are. By what number should P(A) be multiplied to make them independent?

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exam Other Question

find the sum of the reciprocals of two consecutive even integers if the smaller integer is x. please help me solve the following polynomial equation and please show work

x^2 - 3x = 10