exam
Maths Puzzle
Numerical Ability
You toss 3 coins. What is the probability that you get exactly 2 heads, given that you get at least one head?
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exam Other Question
A pyramid has a slant of 6 meters. If the base of the pyramid is a regular octagon with sides thar measure 4 meters, find the lateral area of the pyramid.
the question is to solve the problem
3/4y-4/6=5/12y
my answer was -4y
what did i do wrong