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  • Question
  • A can give B 15 points, A can give C 22 points and B can give C 10 points. How many points make the game?


  • Options
  • A. 50
  • B. 60
  • C. 70
  • D. 80

  • Correct Answer
  • 50 

    Explanation

    Let assume the game has P points.
    Then A has P points , B has (P ? 15) and C has (P ? 22) points and also if B has P points then C has (P ? 10) points.
    Applying chain rule,
    P x P ( P ? 22 ) = P ( P ? 15) ( P ? 10)
    ? P2 ? 22P = P2 ? 25P + 150
    ? 3P = 150
    ? P = 50


  • More questions

    • 1. 
      6 men can do a piece of work in 12 days while 8 women can do the same work in 18 days. The same work can be done by 18 children in 10 days. 4 men 12 women and 20 children work together for 2 days. If only men have to complete remaining work in 1 day, then find the required number of men.

    • Options
    • A. 36
    • B. 24
    • C. 18
    • D. couldn't be determind
    • Discuss
    • 2. 
      Mohan gets 3 marks for each correct sum and loses 2 marks for each wrong sum. He attempts 30 sums and obtains 40 marks. The number of sums solved correctly is

    • Options
    • A. 25
    • B. 10
    • C. 15
    • D. 20
    • Discuss
    • 3. The concentration of glucose in three different mixtures (glucose and alcohol) is 12,35 and 45 respectively. If 2 litres, 3 litres and 1 litre are taken from these three different vessels and mixed. What is the ratio of glucose and alcohol in the new mixture?

    • Options
    • A. 3:2
    • B. 4:3
    • C. 2:3
    • D. 3:4
    • Discuss
    • 4. From a container, 6 liters milk was drawn out and was replaced by water. Again 6 liters of mixture was drawn out and was replaced by the water. Thus the quantity of milk and water in the container after these two operations is 9:16. The quantity of mixture is:

    • Options
    • A. 15
    • B. 16
    • C. 25
    • D. 31
    • Discuss
    • 5. A tin a mixture of two liquids A and B in the proportion 4 : 1. If 45 litres of the mixture is replaced by 45 litres of liquid B, then the ratio of the two liquids becomes 2 : 5. How much of the liquid B was there in the tin? What quantity does the tin hold?

    • Options
    • A. 58 l
    • B. 65 l
    • C. 50 l
    • D. 62 l
    • Discuss
    • 6. 4 kg of a metal contains 1/5 copper and rest in Zinc. Another 5 kg of metal contains 1/6 copper and rest in Zinc.The ratio of Copper and Zinc into the mixture of these two metals:

    • Options
    • A. 49 : 221
    • B. 39:231
    • C. 94:181
    • D. None of these
    • Discuss
    • 7. A milkman has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk. If the cost of pure milk is Rs. 18 per litre, then the profit of the milkman, when he sells all the mixture at cost price, the profit %?

    • Options
    • A. 22.5%
    • B. 25%
    • C. 20%
    • D. 33.33%
    • Discuss
    • 8. From a tank of petrol , which contains 200 liters of petrol, the seller replaces each time with kerosene when he sells 40 liters of petrol(or mixture). Everytime he sells out only 40 liters of petrol (pure or impure). After replacing the petrol with kerosene 4th time, the total amount of kerosene in the mixture is

    • Options
    • A. 81.92L
    • B. 96L
    • C. 118.08L
    • D. None of these
    • Discuss
    • 9. A jar was full with honey. A person used to draw out 20% of the honey from the jar and replaced it with sugar solution. He has repeated the same process 4 times and thus there was only 512 gm of honey left in the jar, the rest part of the jar was filled with the sugar solution. The initial amount of honey in the jar was filled with the sugar solution. The initial amount of honey in the jar was:

    • Options
    • A. 1.25 kg
    • B. 1 kg
    • C. 1.5 kg
    • D. None of these
    • Discuss
    • 10. Shiva purchased 280 kg of Rice at the rate of 15.60/kg and mixed it with 120 kg of rice purchased at the rate of 14.40/kg. He wants to earn a profit of Rs. 10.45 per kg by selling it. What should be the selling price of the mix per kg?

    • Options
    • A. Rs. 22.18
    • B. Rs. 25.69
    • C. Rs. 26.94
    • D. Rs. 27.54
    • Discuss


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