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Find the value of X, Y and Z from 564X641 + 6Y65586 = 121112Z7and arrange the following numerals in descending order.
25X96YZ, 25X9YZ5, 25XYZ55, 2549XYZ
  • a)
    25X96YZ, 25X9YZ5, 25XYZ55, 2549XYZ
  • b)
    2549XYZ, 25X96YZ, 25X9YZ5, 25XYZ55
  • c)
    25X96YZ, 25XYZ55, 25X9YZ5, 2549XYZ
  • d)
    25X96YZ, 25X9YZ5, 2549XYZ, 25XYZ55
  • e)
    None of these
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Find the value of X, Y and Z from 564X641 + 6Y65586 = 121112Z7and arra...
Finding the value of X, Y, and Z:
Given, 564X641 6Y65586 = 121112Z7
To find the values of X, Y, and Z, we need to compare the digits in the same place value of both sides of the equation.
Comparing the thousands place value, we get:
5 = 1
Therefore, X = 2
Comparing the ten thousands place value, we get:
6 = Z
Therefore, Z = 6
Comparing the hundreds place value, we get:
4 + 6 = 1 + Y (as 4 + 6 = 10, we carry over 1 to the thousands place value)
Therefore, Y = 9
Hence, X = 2, Y = 9, and Z = 6.

Arranging numerals in descending order:
Given numerals are: 25X96YZ, 25X9YZ5, 25XYZ55, 2549XYZ
To arrange these numerals in descending order, we need to compare the digits in the same place value of each numeral.
First, we compare the thousands place value:
25X96YZ > 25X9YZ5 > 25XYZ55 > 2549XYZ
Next, we compare the hundreds place value:
25X96YZ > 25X9YZ5 > 2549XYZ > 25XYZ55
Next, we compare the tens place value:
25X96YZ > 25XYZ55 > 25X9YZ5 > 2549XYZ
Finally, we compare the ones place value:
25X96YZ > 25XYZ55 > 25X9YZ5 > 2549XYZ
Therefore, the numerals arranged in descending order are:
25X96YZ, 25XYZ55, 25X9YZ5, 2549XYZ.

Hence, the correct answer is option A.
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Community Answer
Find the value of X, Y and Z from 564X641 + 6Y65586 = 121112Z7and arra...
Answer A
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