exam Maths Puzzle Numerical Ability

If three coins are tossed. Find the probability that no more than one coin lands heads up. Is it 5/8. 1/4, 3/8, or 1/2

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exam Other Question

Slope:-3/4 ; y-intercept: (0, 8) The ratio of Brand "Y" golf balls sold to Brand "X" golf balls sold was 4 to 5. If there were 22 fewer Brand "Y" golf ablls than Brand "X" golf balls, then how many Brand "X" golf balls were sold?