exam Maths Puzzle Numerical Ability

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The numnber of moose varied inversely as the number of bears and directly as the number of bison. When there were 75 moose, there were 85 bears and 15 bison

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exam Other Question

a map has a scale of 4 cm to 7km. which proprotion would not allow you to find the actual distance beween two cities if they are 10 cm apart on the map?

a. 4/10 = 7/x
b. 7/4 = x/10
c. 4/7 = 10/x
d. 4/10 = x/7 A family has five children. The probablilty of having a girl is 1/2. What is the probability of having no more than 3 boys?