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7 is added to a certain number; the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. the remainder left is 12. The number is :
  • a)
    20
  • b)
    30
  • c)
    40
  • d)
    60
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
7 is added to a certain number; the sum is multiplied by 5; the produc...
Let the number be x Then
5(x + 7)/9 - 3 = 12
⇒ 5(x + 7) - 27 = 108
⇒ 5x + 35 = 135
⇒ 5x = 100
⇒ x = 20
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7 is added to a certain number; the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. the remainder left is 12. The number is :a)20b)30c)40d)60Correct answer is option 'A'. Can you explain this answer?
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7 is added to a certain number; the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. the remainder left is 12. The number is :a)20b)30c)40d)60Correct answer is option 'A'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about 7 is added to a certain number; the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. the remainder left is 12. The number is :a)20b)30c)40d)60Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 7 is added to a certain number; the sum is multiplied by 5; the product is divided by 9 and 3 is subtracted from the quotient. the remainder left is 12. The number is :a)20b)30c)40d)60Correct answer is option 'A'. Can you explain this answer?.
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