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Wednesday, December 16, 2009 1. If ^ + ^ = 0 and ab is not equal to zero, then what is the value of ^2? 2. Col A: The number of ways of forming different groups of 2 kittens each from 8 kittens Col B: The number of ways of forming different groups of 6 kittens each from 8 kittens 3. Col A: sqrt + sqrt Col B: sqrt + sqrt 4. Given x is not equal to 0, y is not equal to 0 and xy is not equal to 0. Col A: 1/ Col B: 1/^3 5. Given a line equation y = ax+b. If x-intercept is 5 and slope is 2, then Col A: y-intercept Col B: -10 6. Given a set of numbers: {10, 11, 12, 15, 15, 15, 17, 19, 20, 20}. If a number 15 is included in the series, then which of the following will change? A. Mean B. Median C. Mode D. Standard deviation E. None 7. Given total = n p. Ifis reduced by 20%, then by what percentage,should be increased to balance the total? 9. In a set of five consecutive numbers, if the greatest value is x + 5, then what is the least value? 10. Given two concentric circles. The inner circle is a garden of radius 6m and the outer circle which has a cement path around the garden has a radius 8m. If the width of cement is 0.06, what is the volume of the cement? | 
