Races and Games Practice Test 1 with solutions

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Question : 40 of 40

Marks: +1, -0

In a game of 100 points, if A can gives B 20 points and C 40 points, then how many points can B give C?

20 points
30 points
27 points
25 points
45 points

Solution:

The required answer =

x({x_2-x_1}/{x-x_1})

x = 100,

x_1

= 20,

x_2

= 40
=

100({40-20}/{100-20})

=

100 × {20}/{80}

25 points

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