Consider the question and two statements given below: LCM of two numbe...
Given:
LCM of two numbers x and y is 323 where x > y.
Concept used:
HCF: Product of the smallest power of each common prime factor in the numbers.
LCM:
Product of the greatest power of each prime factor, involved
in the numbers.
The factors of 323 = (323 × 1) and (17 × 19)
According to question x>y then,
(x,y) = (323,1) or (17,19)
Hence, only possible value are x = 17 and y = 19
∴ we can easily find the value of 3x - 2y.
Statement 2: HCF of x and y is 1.
In both (323,1) or (17,19), HCF is 1.
Two different values of 3x -2y.
Hence, Statement 1 alone is sufficient to answer the question.
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Consider the question and two statements given below: LCM of two numbe...
Statement Analysis:
Statement 1: y > 1
This statement provides information about the value of y, stating that y is greater than 1. This information alone is not sufficient to determine the value of (2x - 3y), as it does not provide any information about the values of x or the relationship between x and y.
Statement 2: HCF of x and y is 1
This statement provides information about the highest common factor (HCF) of x and y, indicating that the two numbers are coprime. This means that x and y do not share any common factors other than 1. While this information is helpful, it is still not sufficient to determine the value of (2x - 3y) as it does not provide specific values for x and y.
Combining Statements:
When we combine the two statements, we have information about the relationship between x and y (HCF of 1) and the lower bound of y (>1). With this combined information, we can deduce that x must be a multiple of y, as the HCF of x and y is 1. Therefore, y must be 1, and x must be 323. Thus, we can calculate the value of (2x - 3y) as (2*323 - 3*1) = 643.
Therefore, the correct answer is option 'A', as statement 1 alone is not sufficient, but when combined with statement 2, it provides enough information to answer the question.