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Q: The ratio of Kamal's to Kiran age is 4 : 5. Kamal will be 30 years old after 6 years. What is the present age of Kiran ?
  • A. 28 years
  • B. 30 years
  • C. 40 years
  • D. 24 years
Correct Answer: Option B - Let the present age of Kamal = 4x then present age of kiran = 5x According to the question, age of kamal = 4x + 6 = 30 4x = 30 – 6 4x = 24 x = 6 The present age of kiran = 5x = 5 × 6 = 30 years
B. Let the present age of Kamal = 4x then present age of kiran = 5x According to the question, age of kamal = 4x + 6 = 30 4x = 30 – 6 4x = 24 x = 6 The present age of kiran = 5x = 5 × 6 = 30 years

Explanations:

Let the present age of Kamal = 4x then present age of kiran = 5x According to the question, age of kamal = 4x + 6 = 30 4x = 30 – 6 4x = 24 x = 6 The present age of kiran = 5x = 5 × 6 = 30 years