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Age Test 5
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Age Test 5
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  • Question 1/10
    1 / -0

    Average age of a group of 40 students is 37 yrs. If a teacher is included then the average age rises by 1,then find the age of the teacher after 2 years ?

    Solutions

    Explanation :

    X = 37*40 = 1480

    X = 38*41 = 1558

    T age = 1558 – 1480 = 78

    Aftr 2 yrs = 78+2 = 80

     

  • Question 2/10
    1 / -0

    At present  Priya is twice Sariga’s age. 8 yrs hence the respective ratio between Priya and Sariga’s age will be 22 :13, What is Sariga’s present age ?

    Solutions

    Explanation :

    P = 2S

    2s+8/s+8 = 22/13

    26s+104 = 22s+176

    4s = 72

    S= 18yr

     

  • Question 3/10
    1 / -0

    The ratio between the present ages of X and Y is 4:9 respectively. 2yrs from now, Y’s age will become twice the age of X.What was the difference between their ages five yrs ago ?

    Solutions

    Explanation :

    4x+2/7x+2 = ½

    8x+4 = 9x+2

    x = 2

    x:y = 8:18

    5 yrs ago = 3:13

    D = 13-3 = 10

     

  • Question 4/10
    1 / -0

    The ratio of present age of Kaviya and Lakshmi is 6:7, the ratio of their ages after 8yrs would be 8:9, What is Kaviya’s present age?

    Solutions

    Explanation :

    6x+8/7x+8 = 8/9

    54x+72 = 56x+64

    2x = 8

    x = 4

    K=6*4 = 24yrs

     

  • Question 5/10
    1 / -0

    The ratio between the present age of Maha and Deepa is 5:X. Maha is 9yrs younger than Parveen. Parveen’s age after 9yrs will be 33yrs. The difference between the Deepa and Maha age is same as the present age of Parveen.Find X

    Solutions

    Explanation :

    P present age = 33-9 = 24

    M = 24 – 9 =15

    D – M = 24

    D – 15 = 24

    D = 24+15 = 39

    15:39 = 5:13

    X = 13

     

  • Question 6/10
    1 / -0

    The present age of Akil is 3 times that of Nirmal. 3 yrs hence the age of Akil will become 4yrs more than Nirmal. age The present age of Akil is.

    Solutions

    Explanation :

    A = 3N

    A+3 = N+4+3

    3N+3 = N +7

    2N = 4

    N =4/2

    N = 2yrs

    A = 3*2 = 6yrs

     

  • Question 7/10
    1 / -0

    The age of Vivek is 54yrs, If sham’s age is 36% more than that of Vivek, What % is Vivek’s age less than Sham ?

    Solutions

    S = 136*54/100 = 73

    % = 73-54/73 = 26%

     

  • Question 8/10
    1 / -0

    Ashok is 3 years elder than Balu who is now 4 times as old as Jaswanth. Jaswanth is now 6 years old. What was Ashok’s age when Jaswanth was born?

    Solutions

    Explanation :

    Let Ashok age  A.

    Age of Balu = A-3

    Jaswanth’s age = 6

    Balu’s Age = 4* J’s age

    i.e., A – 3 = 4 x 6

    X = 24 + 3 = 27

    Hence, Ashok’s age = 27 – 6 = 21

     

  • Question 9/10
    1 / -0

    The sum of the ages of 5 children born at the intervals of 3 years each is 50 years.
    What is the age of the elder child among 5 childern?

    Solutions

    Explanation :

    X+x+3+x+6+x+9+x+12 = 50

    5x+30 =50

    X = 50-30/5 = 20/5 =4

    4+12 = 16

     

  • Question 10/10
    1 / -0

    The sum of the present ages of Jai, Prem and Saran is 93 years. Ten years ago, the ratio of their ages was 2:3:4. What is the present age of Sara?

    Solutions

    Explanation :

    J+P+S = 93

    J-10:P-10:S-10 = 2:3:4

    93-30 = 63

    Saran age = 63*4/9 = 28+10 = 38

     

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