exam Maths Puzzle Numerical Ability

12.51 Do stock prices of competing companies move together? Below are daily closing prices of two

computer services firms (IBM = International Business Machines Corporation, EDS

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A 25in T.V. set has a width of 20in, what is the height of the T.V.? If the product of a number and - 4 is subtracted from the number, the result is 9 more than the number.