8x + 16 = 5x + 40| 2. | The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? | |||||||
Answer: Option A Explanation:
Let the ages of children be x, (x + 3), (x + 6), (x + 9) and (x + 12) years. Then, x + (x + 3) + (x + 6) + (x + 9) + (x + 12) = 50
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| 3. | A father said to his son, “I was as old as you are at the present at the time of your birth”. If the father’s age is 38 years now, the son’s age five years back was: | |||||||
Answer: Option A Explanation:
Let the son’s present age be x years. Then, (38 – x) = x
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| 4. | A is two years older than B who is twice as old as C. If the total of the ages of A, B and C be 27, the how old is B? | |||||||||
Answer: Option D Explanation:
Let C’s age be x years. Then, B’s age = 2x years. A’s age = (2x + 2) years.
Hence, B’s age = 2x = 10 years. |
| 5. | Present ages of Sameer and Anand are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Anand’s present age in years? | |||||||||||||||
Answer: Option A Explanation:
Let the present ages of Sameer and Anand be 5x years and 4x years respectively.
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