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Q.

Two numbers are in the ratio $2 : 3$ . If the sum of two numbers is 100, then the two numbers are

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a

20, 80

b

30, 70

c

60, 40

d

45, 55

answer is C.

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Detailed Solution

n_{1} : n_{2} = 2 : 3

$n_{1} + n_{2} = 100$

$\Rightarrow 2 p + 3 p = 100$

$\Rightarrow 5 p = 100$

$\Rightarrow 1 p = 20$

$n_{1} = 2 \times 20 = 40$

$n_{2} = 3 \times 20 = 60$

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