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The sum of two numbers is 506. If the second number is 5/18th of the first number. What is the difference between the 4/9 of the first number and 2/11 of the second number ?
A) 162
B) 156
C) 140
D) 136
E) 180
Correct answer:
B) 156
Description for Correct answer:
Let the first number be x.
Thereforer, second number = \( \frac{15}{18}x \)
According to question,
\( x + \frac{5}{18} = 506 \)
\( \frac{23}{18}x = 506 \)
\( x = 396 \)
Therefore, sercond number = 110
Required difference = \( \frac{4}{9} \times 396 - \frac{2}{11} \times 110 \)
\( = 176 - 20 = 156 \)
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