exam
Maths Puzzle
Numerical Ability
in a bridge club, there are three more women than men. how many people are members of the club if the probability that a member chosen at random, is a woman is 3/5?
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I have to solve using the quadric formula and if there are no real roots say so...Can you please help me? Thanks...:)
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Number 14
3 = 7x - 4x^2
Ten apples cost a penny, and 25 pears cost two pennies. Suppose I buy 100 apples and pear for 9 1/2 pennies. How may of each shall I have?