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CDS - Problem Based on Age Test 1193
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CDS - Problem Based on Age Test 1193
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  • Question 1/5
    1 / -0.33
    Ten (10) years before, the ages of a mother and her daughter were in the ratio 3:1. Ion another 10 years from now, the ratio of their ages will be 13:7. What are their present ages?
    Solutions
    Let the present ages of mother and daughter be x and y
    So, according to the question



    Also


    Putting the value of x in the above equation, we get



    Therefore x = 3*25 – 20 = 55
  • Question 2/5
    1 / -0.33
    Kalim is 16 years older to Pavan and the respective ratio of Pavan’s age 4 year hence and Chhotu present age is 5 : 3. If at present Kalim’s age is thrice the age of Chhotu. What will be Pavan’s age four year hence?
    Solutions

    Given that,

    Kalim’s age = Pavan’s age + 16

    Pavan’s age = Kalim’s age – 16

    A.T.Q.

    Given that, Kalim’s age = 3 × Chhotu’s age

    9 × Chhotu’s age – 36 = 5 × Chhotu’s age

    Chhotu’s age = 9 years

    Kalim’s age = 3 × 9 = 27 years

    Pavan’s age = 27 – 16 = 11 years

    So, Pavan 4 years hence age = 11 + 4 = 15 years.

  • Question 3/5
    1 / -0.33
    5 years ago, A’s age was double of that of B. Their present age ratio is 4:3. What will be sum of their ages after 5 years?
    Solutions

    Let their present ages are 4x and 3x respectively.

    A/Q

    After 5 years,

  • Question 4/5
    1 / -0.33
    Abhay’s age after six years will be three- seventh of his father’s age. Ten year ago the ratio of their ages was 1 : 5, what is Abhay’s father’s age at present
    Solutions

    Let the age of Abhay and his after father 10 year ago be x and 5x years respectively. Then,

    Abhay’s age after six years = (x + 10) + 6 year = (x + 16 ) year

    Father’s age after six year = (5x + 10) + 6 year = (5x + 16) year

    Now, according to the question,

    Hence, father’s present age = (5x+10) = 50 year

    So, option B is correct.

  • Question 5/5
    1 / -0.33
    Ravi’s brother is 3 years elder to him. His father was 28 years of age when his sister was born while his mother was 26 years of age when he was born. If his sister was 4 years of age when his brother was born, the ages of Ravi’s father and mother respectively when his brother was born were
    Solutions

    Let the age of Ravi be x years.

    Age of Ravi’s brother = x+3 years.

    Since his sister was of 4 years at the time of his brother’s birth,

    So the Age of Ravi’s sister = x+7 years.

    Ravi’s father was of 28 years of age when his sister was born, hence Age of Ravi’s father = x+35 years.

    Ravi’s mother was of 26 years of age when he was born, hence Age of Ravi’s mother = x+26 years.

    Hence age of Ravi’s father at the time of birth of his brother = [(x+35) - (x+3)] years = 32 years.

    And age of his mother at that time = [(x+26) - (x+3)] years = 23 years.

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