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Worksheet: Problems of Age | Know Your Aptitude Class 6 To 8 - Class 8 PDF Download

Multiple Choice Questions (MCQs)

Q1: The sum of the ages of Kidambi and Srikanth 14 years hence will be equal to 2 times their present age. If at present Kidambi is 8 years elder to Srikanth, then what are their present ages?
(a) 
22, 8
(b) 29, 12
(c) 18, 10
(d) 13, 6

Q2: 6 years ago, the ratio of the ages of Arun and Prathap is 7 : 6. Present age of Rajeev is 10 years more than one – sixth of Prathap’s present age. Find the ratio of present age of Prathap and Rajeev, if Arun’s age after 6 years is 40 years?
(a)
3 : 2
(b) 2 : 1
(c) 4 : 5
(d) 1 : 3

Q3: The ratio of present ages of Sri and Gowtham is 3 : 4. Mahesh is 6 years older than Sri and two years younger than Gowtham. Find the sum of the present ages of Sri and Mahesh? 
(a)
48 years
(b) 50 years
(c) 52 years
(d) 54 years

Q4: The product of the ages of Asha and Nithi is 540. If twice the age of Asha is more than Nithi’s age by 6 years, then find Asha’s age?
(a) 
18 years
(b) 20 years
(c) 16 years
(d) 22 years

Q5: Naveena’s present age is four times her son’s present age and two fifth of her father’s present age. The average present age of all of them is 40 years. Find the sum of Naveena’s son’s present age and Naveena’s father’s present age?
(a)
92 years
(b) 74 years
(c) 88 years
(d) 86 years

Q6: The ratio of B’s age six years hence to C’s present age is 5: 3. B is eleven years younger than A. If A’s present age is twice the age of C, then find B’s age, 4 years ago?
(a)
13 years
(b) 15 years
(c) 17 years
(d) 16 years

Q7: After 2 years, the age of Karthi is 2 times the present age of Silambu. Preethi is 8 years elder than Silambu. Find the present age of Karthi, if the present age of Preethi is 23 years?
(a)
28 years
(b) 26 years
(c) 24 years
(d) 30 years

Q8: 4 years ago, the age of A is 2 times the present age of B. C is 12 years elder than B and 10 years younger than A. Find the present age of D, if the present age of C is 6 times the present age of D?
(a)
3 years
(b) 6 years
(c) 7 years
(d) 5 years

Q9: The ratio of present age of Ramesh and Karthi is 2: 3. Sheela is 3 years elder than Karthi. The average present ages of three of them is 25 years. Find the age of Janvi, 4 years ago, if the present age of Janvi is 2 times the present age of Ramesh?
(a) 
29 years
(b) 35 years
(c) 32 years
(d) 27 years

Q10: The ratio between Gautham and Manoj is 35: x. Manoj is 6 years younger than Nisha. Nisha’s age after 8 years will be 30 years. The Gautham’s present age is 3 years less than the sum of the present age of Manoj and Nisha. Find the value of x?
(a) 
22
(b) 16
(c) 18
(d) 17

You can access the solutions to this worksheet here.

The document Worksheet: Problems of Age | Know Your Aptitude Class 6 To 8 - Class 8 is a part of the Class 8 Course Know Your Aptitude Class 6 To 8.
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FAQs on Worksheet: Problems of Age - Know Your Aptitude Class 6 To 8 - Class 8

1. What are some common types of age-related problems that can be addressed in age-related math problems?
Ans. Common types of age-related problems include finding the current age of individuals based on their ages in the past or future, calculating the age difference between people, and determining the ages of multiple individuals based on given relationships or conditions.
2. How can I set up equations for solving age-related problems?
Ans. To set up equations for age-related problems, identify the variables representing the ages of individuals. Create equations based on the relationships and information provided in the problem, such as "Person A is twice as old as Person B" or "In five years, Person A will be three times as old as Person B."
3. Are there any specific tips for solving age-related problems quickly?
Ans. Yes, some tips include: always write down what you know, use simple variables, break down complex problems into smaller parts, and check your work by substituting your answers back into the original problem to ensure they make sense.
4. What role does the concept of time play in age-related problems?
Ans. The concept of time is crucial in age-related problems as it often involves changes in age over specific periods. Problems may refer to ages at different points in time (past or future), requiring understanding of how age progresses over time.
5. Can age-related problems be solved using algebraic methods?
Ans. Yes, age-related problems can be effectively solved using algebraic methods. By forming equations based on the information given in the problem, you can use algebraic techniques to find the unknown ages.
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