Thursday, 22 January 2015

[www.keralites.net] Some Maths related problems.....try to solve..

 

  • Problems on Ages Formula

APTITUDE QUESTIONS :

1) The product of ages of X and Y is 240.  If thrice the age of Y is more than X by 4 years what is Y's age?
A) 10
B) 9
C) 12
D) 15
2) Priya is younger than Rajesh by 5 years.  If their ages are in the respective ratio of 5:6. How old is Priya?
A) 20.5
B) 23.5
C) 24.5
D) 22.5
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3) The ratio between the present ages of Sonu and Manu is 4:5.  If Manu is 5 years old than Sonu, what is the ratio of the ages of Sonu and Manu after 3 years?
A) 28:23
B) 25:23
C) 28:21
D) 20:21
4) The present ages of Ankita and Sunita are in the ratio is 6:7.  6 years hence this ratio will become 7:8 respectively.  What is Ankita's present age in years?
A) 36
B) 26
C) 56
D) 46
5) The ratio between A and B was 5:4 before 6 years.  5 years hence the ratio of their ages will be 11:10.  What is B's age?
A) 6 1/6
B) 7 1/6
C) 8 1/5
D) 9 1/5
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6) The ratio of the present ages of sister is 2:3 and 6 years ago the ratio was 3:5.  What will be the ratio of their ages after 6 years?
A) 7:6
B) 5:7
C) 8:7
D) 9:7
7) The ages of three persons are in proportions 5:7:9 at present.  7 years ago the sum of their ages was 56.  What are their present ages?
A) 55/3, 77/3, 33
B) 33,22,11
C) 54/,.77/3,33
D) None of these
  •  
8) The ratio between the ages of two brothers Sanjay and Arjun is 6:7 respectively.  If the ratio between the one-third of Sanjay and half of Arjun is 5:9.  Then what is the age of Arjun?
A) 10
B) 12
C) Can't be determined
D) Nothing
9) Arjun is four years older than Sunita who is twice as old as Raju.  If the total ages of Arjun, Sunita, Raju is 25 then what is the age of Raju?
A) 2
B) 3
C) 8
D) 9
10) Sivagami's present age is 2/5th of the age of her mother. After 8 years she will be 1 half of the age of her mom.  How old is the mother right now?
A) 44
B) 45
C) 40
D) 50

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Posted by: prasannam n <iampresanam@yahoo.co.in>
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