exam Maths Puzzle Numerical Ability

find the sum of the reciprocals of two consecutive even integers if the smaller integer is x.

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exam Other Question

show example on polynomials division and mutiplications 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?