## Age

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Question 1 |

Sum of 4 childeren born at interval of 4 years is is 36. What is the age of youngest child?

2 years | |

3 years | |

4 years | |

5 years |

**Arithmetic Aptitude 2**

**Age**

**Discuss it**

Question 1 Explanation:

Let the ages of children be x, (x+4), (x+8) and (x+12) years. Then x + x + 4 + x + 8 + x +12 = 36 4x + 24 = 36 4x = 12 x = 3 Age of the youngest child = x = 3 years

Question 2 |

Sum of 4 childeren born at interval of 4 years is is 36. What is the age of youngest child?

2 years | |

3 years | |

4 years | |

5 years |

**Arithmetic Aptitude 2**

**Age**

**Discuss it**

Question 2 Explanation:

Question 3 |

A is 5 years older than B who is thrice as old as C. If the total of ages of A, B and C is 40, then how old is C ?

6 | |

7 | |

5 | |

8 |

**Arithmetic Aptitude 2**

**Age**

**Discuss it**

Question 3 Explanation:

Let C’s age be x years then B’s age be 3x years and A’s age be (3x+5) years Therefore x + 3x + (3x + 5) = 40 7x + 5 = 40 7x = 35 x = 5

Question 4 |

Present age of Vinod and Ashok are in ratio of 3:4 respectively. After 5 years, the ratio of their ages becomes 7:9 respectively. What is Ashok’s present age is ?

40 years | |

28 years | |

32 years | |

36 years |

**Arithmetic Aptitude 3**

**Ratio and Proportion**

**Age**

**Discuss it**

Question 4 Explanation:

Let the present age of Vinod and Ashok be 3x years and 4x years respectively.

Then (3x+5) / (4x+5) = 7 / 9 ∴ 9(3x + 5) = 7(4x + 5) ∴ 27x + 45 = 28x + 35 ∴ x = 10 ∴ Ashok’s present age = 4x = 40 years

Question 5 |

At present father’s age is thrice of son’s age. After 15 years father’s age will be double of son’s age. What is son’s present age?

16 years | |

15 years | |

12 years | |

10 years |

**Arithmetic Aptitude 3**

**Age**

**Discuss it**

Question 5 Explanation:

Question 6 |

At present, the ratio between ages of Ram and Shyam is 6:5 respectively. After 7 years, Shyam’s age will be 32 years. What is the present age of Ram?

32 | |

40 | |

30 | |

36 |

**Arithmetic Aptitude 3**

**Ratio and Proportion**

**Age**

**Discuss it**

Question 6 Explanation:

Let the present age of Ram and Shyam be 6x years and 5x years respectively. Then 5x + 7 = 32 ∴ 5x = 25 ∴ x = 5 ∴ Present age of Ram = 6x = 30 years

Question 7 |

The present ages of A, B and C are in proportions 4:5:9. Nine years ago, sum of their ages was 45 years. Find their present ages in years

15,20,35 | |

20,24,36 | |

20,25,45 | |

16,20,36 |

**Arithmetic Aptitude 3**

**Ratio and Proportion**

**Age**

**Discuss it**

Question 7 Explanation:

Let the current ages of A, B and C be ax years, 5x years and 9x respectively.

Then (4x-9) + (5x-9) + (9x-9) =45 ∴ 18x – 27 = 45 ∴ 18x = 72 ∴ x = 4Present ages of A, B and C are 4x = 16, 5x = 20, 9x = 36 respectively.

Question 8 |

A person’s present age is one third of the age of his mother. After 12 years, his age will be one half of the age of his mother. What is present age of his mother?

30 | |

34 | |

38 | |

36 |

**Arithmetic Aptitude 3**

**Age**

**Discuss it**

Question 8 Explanation:

Le the present ages of son and his mother are x years and 3x years.

Then (3x + 12) = 2( x + 12) ∴ 3x + 12 = 2x + 24 ∴ x = 12 ∴ Present age of mother = 3x = 36 years

Question 9 |

A is as older than B as he is younger than C.If the sum of ages of B and C is 68 years. What is the present age of A?

24 years | |

34 years | |

28 years | |

32 years |

**Arithmetic Aptitude 3**

**Age**

**Discuss it**

Question 9 Explanation:

A – B = C – A ∴ 2A = B + C And also given that B + C = 68 ∴ 2A = 68 ∴ A = 34

Question 10 |

After 15 years, Paul’s age will be 5 times his age 5 years back. Find out his present age.

10 years | |

14 years | |

12 years | |

11 years |

**Age**

**Discuss it**

Question 10 Explanation:

Let his present age be x years.
Paul’s age after 15 years = (x+15) years.
Paul’s age 5 years back = (x-5) years.
Hence, x+15 = 5(x-5)
⇒ x+15 = 5x-25
⇒ 4x = 40
⇒ x = 10.

There are 25 questions to complete.