Question
Download Solution PDFA number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor, the remainder is 13. What is the value of the divisor?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
A number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor, the remainder is 13.
Formula used:
Let the number be N and the divisor be D.
N = kD + 24 (where k is an integer)
2N = mD + 13 (where m is an integer)
Calculation:
N = kD + 24
⇒ 2N = 2(kD + 24)
⇒ 2N = 2kD + 48
Given, 2N = mD + 13
⇒ 2kD + 48 = mD + 13
⇒ 2kD - mD = 13 - 48
⇒ D(2k - m) = -35
⇒ D = 35 (since D must be positive)
∴ The correct answer is option 1.
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