The ratio of two natural numbers 'x' and 'y' is 9:13,
respectively. When 30 is added to 'x' and 15 is subtracted from 'y', the ratio of 'x' to 'y' becomes 3:2. Find the square of the difference between the two numbers.
A434Correct AnswerIncorrect Answer
B400Correct AnswerIncorrect Answer
C312Correct AnswerIncorrect Answer
D325Correct AnswerIncorrect Answer
ENone of theseCorrect AnswerIncorrect Answer
Solution
Let the values of 'x' and 'y' be '9z' and '13z', respectively. ATQ, Required square of difference between two numbers:
Required square of difference between two numbers: 
