exam Maths Puzzle Numerical Ability

A mutual fund has 14 stocks in its portfolio. On a given day 2 stocks move up, 9 stay the same and 3 move down. In how many ways can this happen?

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exam Other Question

The sum of two numbers is 42. Their difference is 6. What are the two numbers? A line contains the points (a-4,b+4) and (a,b) What is the slope of the line?