 
<translate> Tambaya: Idan matsakaicin (ma'anar lissafi) na lambobi huɗu K, 2K + 2, 3K <unk> 5 da 5K + 1 shine 63, menene darajar K? Zaɓuɓɓuka: (A) 11 (B) 15 da 3/4 (C) 22 (D) 23 (E) 23 1/11 Tsarin hankali: K + 2K + 2 + 3K - 5 + 5K +1 = 11K -2 (11K -2) / 4 = 63 11K = 63 * 4 + 2 = 252 + 2 = 254 K = 254 / 11 = 23 1/11 <eng> Question: If the average (arithmetic mean) of the four numbers K, 2K + 2, 3K – 5 and 5K + 1 is 63, what is the value of K?
Options:
(A)  11
(B)  15 3/4
(C)  22
(D)  23
(E)  23 1/11
Stream-of-consciousness: K + 2K +2 + 3K - 5 + 5K +1 = 11K -2
(11K -2)/4 = 63
11K = 63 * 4 +2 = 252 +2 = 254
K = 254 / 11 = 23 1/11 