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Ratio & Proportion Test - 1

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Ratio & Proportion Test - 1
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Weekly Quiz Competition
  • Question 1
    1 / -0.25

    The students in three classes are in the ratio 2:3:5. If 20 students are increased in each class, the ratio changes to 4: 5: 7. What is the total number in the three classes before the increase?

    Solution

    4 - 2 = 5 - 3  = 7 - 5  = 2. 

    As we know  20 students  are increased in each class.

    So, (2 + 3 + 5) = 20/2 x   10

    = 100 students

     

  • Question 2
    1 / -0.25

    The ratio between two numbers is 3:4. If each number be increased by 2, the ratio becomes 7:9. Find the numbers.

    Solution

     

  • Question 3
    1 / -0.25

    Divide ₹1540 among A,B,C so that A shall receive 2/9 as much as B and C together, and B 3/11 of what A and C together do. Find the share of A, B and C.

    Solution

     

  • Question 4
    1 / -0.25

    In a fort there is provision for 40 days for 275 persons. If after 16 days, 125 persons leave the fort, for how many more days the provision will now last?

    Solution

     

  • Question 5
    1 / -0.25

    A fort has provision for 35 days. If after 5 days 225 more persons joined and the food lasts25 days, how many men are there in the fort?

    Solution

     

  • Question 6
    1 / -0.25

    The ratio between the ages of Rahim and Karim is 3:5 and the sum of their ages is 56 years. What was the ratio of their ages 7 years ago?

    Solution

    Present age of Rahim= 56/8 * 3 = 21 years

    Present age of Karim= 56/8 * 5 = 35 years

    So, ratio of ages 7 years ago

    = (21 - 7) : (35 - 7)

    = 14 : 28 = 1: 2

     

  • Question 7
    1 / -0.25

    The prices of a scooter and television set are in the ratio 3:2. If a scooter costs ₹6,000 more than the television set, what is the price of the television set?

    Solution

     

  • Question 8
    1 / -0.25

    The prices of scooter and a moped are in the ratio of 9 : 5. If a scooter costs ₹4200 more than a moped, find the price of the moped.

    Solution

     

  • Question 9
    1 / -0.25

    A sum of money is divided between two persons in the ratio of 3:5. If the share of one person is ₹ 20 less than that of the other, find the sum.

    Solution

     

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