Ramu is 48 years old. Robin is 6 years junior to Ramu and 14 years senior to Rohit. Ramu has two children - Neethu and Vinu. Youngest sister of Rohit is Krishna and she is 15 years junior to him. So what is the age of Krishna?

Options

A. 13
B. 15
C. 14
D. 12

Explanation

To find the age of Krishna, we can break down the information provided step by step.

### Step-by-Step Solution:

1. **Identify Ramu's Age:**
- Ramu is 48 years old.

2. **Calculate Robin's Age:**
- Robin is 6 years junior to Ramu.
- Therefore, Robin's age = Ramu's age - 6 = 48 - 6 = 42 years old.

3. **Calculate Rohit's Age:**
- Robin is 14 years senior to Rohit.
- Therefore, Rohit's age = Robin's age - 14 = 42 - 14 = 28 years old.

4. **Calculate Krishna's Age:**
- Krishna is 15 years junior to Rohit.
- Therefore, Krishna's age = Rohit's age - 15 = 28 - 15 = 13 years old.

### Final Answer:
- The age of Krishna is **13 years old**.

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