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Home Aptitude Linear Equation Comments

  • Question
  • The linear equation such that each point on its graph has an ordinate four times its abscissa is :


  • Options
  • A. y + 4x = 0
  • B. y = 4x
  • C. x = 4y
  • D. x + 4y = o

  • Correct Answer
  • y = 4x 

    Explanation

    Let us assume the abscissa coordinate be x and Ordinate be y.
    According to question,
    ordinate four times its abscissa
    y = 4x
    ? y - 4x = 0


  • Linear Equation problems


    Search Results


    • 1. 
      Divide 50 into two parts so that the sum of their reciprocals is 1/2.

    • Options
    • A. 28,22
    • B. 35,15
    • C. 20,30
    • D. 24,36
    • Discuss
    • 2. 
      Joel purchased 40 notebooks at the rate of ?18 per notebook and 55 pencils at the rate of ? 8 per pencil. What is the total amount that he paid to the shopkeeper?

    • Options
    • A. ?1,165
    • B. ?1,160
    • C. ?1,166
    • D. ?1,161
    • Discuss
    • 3. 
      The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number?

    • Options
    • A. 72
    • B. 56
    • C. 54
    • D. Cannot be determined
    • Discuss
    • 4. 
      If the numerator of a fraction is increased by 200% and the denominator is increased by 200% then resultant fraction is 14/5.What is the original fraction?

    • Options
    • A. 4/7
    • B. 13/12
    • C. 11/12
    • D. None of these
    • Discuss
    • 5. 
      A number is doubled and 9 is added. If the resultant is tripled, it becomes 75. What is the number?

    • Options
    • A. 3.5
    • B. 6
    • C. 8
    • D. None of these
    • Discuss
    • 6. 
      The cost of 2 sarees and 4 shirts is ? 16000 while 1 saree and 6 shirts cost the same. The cost of 12 shirts is

    • Options
    • A. ? 12000
    • B. ? 24000
    • C. ? 48000
    • D. Cannot be determined
    • Discuss
    • 7. 
      The system of equations 3x + y - 4 = 0 and 6x + 2y - 8 = 0 has

    • Options
    • A. a unique solution x = 1 , y = 1
    • B. a unique solution x = 0, y = 4
    • C. no solution
    • D. infinite solutions
    • Discuss
    • 8. 
      If 6x - 10y = 10 and x / (x + y) = 5/7, then (x - y) =?

    • Options
    • A. 6
    • B. 8
    • C. 12
    • D. 3
    • Discuss
    • 9. 
      The system of equations 2x + 4y = 6 and 4x + 8y = 6 has

    • Options
    • A. exactly two solutions
    • B. no solution
    • C. infinitely many solutions
    • D. a unique solutions
    • Discuss
    • 10. 
      In a rare coin collection, there is one gold coin for every three non-gold coins. 10 more gold coins are added to the collection and the ratio of gold coins to non-gold coins would be 1 : 2, Based on the information; the total number of coins in the collection now becomes.

    • Options
    • A. 90
    • B. 80
    • C. 60
    • D. 50
    • Discuss


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