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Home Aptitude Alligation or Mixture See What Others Are Saying!
  • Question
  • The cost of type - I rice is Rs. 15 per kg and type - II is Rs. 20 per kg. If both type - I and type - II are mixed in the ratio of 2 : 3, then find the price per kg of the mixed variety.


  • Options
  • A. 19.50
  • B. 19
  • C. 18.50
  • D. 18

  • Correct Answer
  • 18 

    Explanation

    Let the price per kg of mixed variety be Rs. P;
    then By the rule of alligation,
    Now, (20 - P) / (P - 15) = (2 / 3)
    ? 60 ? 3P = 2P ? 30
    ? 5P = 90
    ? P = Rs. 18


  • More questions

    • 1. 
      Find the sum 3/10 + 5/100 + 8/1000 in decimal form?

    • Options
    • A. 0.853
    • B. 0.358
    • C. 3.58
    • D. 8.35
    • Discuss
    • 2. 
      The auto-rickshaw fare consists of a fixed charge together with the charge for the distance covered. For a journey of 10 km, the charge paid is ?85 and for a journey of 15 km, the charge paid is ?120. The fare for a journey of 25 km will be

    • Options
    • A. ?175
    • B. ?190
    • C. ?180
    • D. ?225
    • Discuss
    • 3. A and B started a business in partnership investing Rs. 20,000 and Rs. 15,000 respectively. After six months, C joined them with Rs. 20,000. What will be B's share in total profit of Rs. 25,000 earned at the end of 2 years from the starting of the business?

    • Options
    • A. Rs. 7500
    • B. Rs. 9000
    • C. Rs. 9500
    • D. Rs. 10,000
    • Discuss
    • 4. 
      Two-fifths of one -fourth of three -seventh of a number is 15. What is half of that number?

    • Options
    • A. 96
    • B. 196
    • C. 94
    • D. None of these
    • Discuss
    • 5. 
      Which of the following is a leap year?

    • Options
    • A. 1146
    • B. 1254
    • C. 2100
    • D. 1128
    • Discuss
    • 6. A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

    • Options
    • A. 3
    • B. 5
    • C. 9
    • D. 11
    • Discuss
    • 7. 
      At what time between 4 : 30 and 5 will the hands of a clock be in a straight line?

    • Options
    • A. 50 minutes past 4
    • B. 42 minutes past 4
    • C. 54 6 minutes past 4 11
    • D. 46 minutes past 4
    • Discuss
    • 8. 
      How many 3-digits numbers are completely divisible by 6?

    • Options
    • A. 149
    • B. 150
    • C. 151
    • D. 166
    • Discuss
    • 9. 
      In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with remaining meal?

    • Options
    • A. 56
    • B. 45
    • C. 30
    • D. 27
    • Discuss
    • 10. 
      Cost of 1 chair is Rs. 214 and cost of one table is Rs. 937, then what is the approximate cost of 6 dozen chairs and 4 dozen tables?

    • Options
    • A. Rs. 60000
    • B. Rs. 58000
    • C. Rs. 55000
    • D. Rs. 62000
    • Discuss


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