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Home Aptitude Profit and Loss See What Others Are Saying!
  • Question
  • A trader mixes 25% kerosene to his petrol and then he sells the whole mixture at the price of petrol. if the cost price of kerosene be 50 % of the cost price of petrol, what is the net profit percentage?


  • Options
  • A. 11 1/9 %
  • B. 12 1/9 %
  • C. 9 1/11 %
  • D. 20 %

  • Correct Answer
  • 11 1/9 % 

    Explanation

    K = 1 litre, price of K = 1
    P = 4 litre price of P = 2

    price of total (new) mixture = 1 X 1 + 4 X 2 = Rs. 9
    price of pure petrol of same quantity = 5 X 2 = Rs. 10
    Percentage profit = [(10-9) / 9] x 100 = 111/9 %


  • More questions

    • 1. 
      A can complete a piece of work in 10 days, while B alone can complete it in 15 days. They work together for 5 days and rest of the work is done by C in 2 days. If they receive $ 450 for the whole work, how should they divide the money?

    • Options
    • A. $250, $100, $100
    • B. $225, $150, $75
    • C. $200, $150, $100
    • D. $175, $175, $100
    • Discuss
    • 2. 
      The angle of elevation of a tower from a distance 50 m from its foot is 30°. The height of the tower is :

    • Options
    • A. 50 ?3 m
    • B. 50 m ?3
    • C. 75 ?3 m
    • D. 75 m ?3
    • Discuss
    • 3. 
      If 30% of A = 20 % of B, then find the value of A : B?

    • Options
    • A. 1 : 3
    • B. 3 : 2
    • C. 3 : 1
    • D. 2 : 3
    • Discuss
    • 4. 80 litre mixture of milk and water contains 10% milk. How much milk (in litres) must be added to make water percentage in the mixture as 80%?

    • Options
    • A. 8
    • B. 9
    • C. 10
    • D. 12
    • Discuss
    • 5. 
      If log 5 (x 2 + x) - log 5 x = 2 then the value of x is?

    • Options
    • A. 24
    • B. 25
    • C. 23
    • D. 120
    • Discuss
    • 6. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

    • Options
    • A. 0
    • B. 1
    • C. 10
    • D. 19
    • Discuss
    • 7. 
      Two trains A and B travel from points X to Y and the ratio of the speeds of A to that of B is 2 : 7. Find the ratio of time taken by A and B to reach From X to Y.

    • Options
    • A. 2 : 5
    • B. 3 : 5
    • C. 3 : 8
    • D. 7 : 2
    • Discuss
    • 8. 
      Walking with 3/4 of his usual speed, Sachin covers a certain distance in 2 h more than the time he takes to cover the distance at his usual speed. Find the time taken by him to cover this distance with usual speed.

    • Options
    • A. 5 h
    • B. 6 h
    • C. 9 h
    • D. 4 h
    • Discuss
    • 9. 
      If ? 2 n = 64, then the value of n is?

    • Options
    • A. 2
    • B. 4
    • C. 6
    • D. 12
    • Discuss
    • 10. 
      Ram and Sita are walking towards each other with the speed of 8 km/h and 2 km/h, respectively over a road 160 km long. How soon will they meet?

    • Options
    • A. 16 h
    • B. 8 h
    • C. 10 h
    • D. 20 h
    • Discuss


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