book Maths Puzzle Numerical Ability

Chaundra is two years older then her brother. She is four years younger then her older sister. Her two parents are each forty-one. The total of all five ages is one hundred twenty-three. How old is Chaundra?

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book Other Question

Winfred is 19 yrs younger than his cousin. After 5 years, their ages will be in the ratio of 2:3. Find their present ages. I need to know how the signs of A and C (in the quadratic equation: Ax^2+bx+c=0) provide clues as to the number of possible solutions in a quadratic equation.

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