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1. If the average of four numbers k, 2K+3, 3K-5 and 5K+1 is 63. What is the value of K?
- A. 11
- B. 11
- C. 11
- D. 11
Answer: Option D
Explanation:
[(k) + (2k + 3) + (3k - 5) + (5k + 1)]/4 = 63
= > 11k - 1 = 252
= > k = 253/11 = 23
ans: 23
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