 <translate> Ìbéèrè: Bí ìpíndọ́gba (arithmetic mean) àwọn iye mẹ́rin náà K, 2K + 2, 3K <unk> 5 àti 5K + 1 bá jẹ́ 63, kí ni iye K? Àwọn àyè: (A) 11 (B) 15 àti 3/4 (C) 22 (D) 23 (E) 23 1/11 Ìṣàn ìmọ̀lára: 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 <ibo> Ajụjụ: Ọ bụrụ na nkezi (arithmetic mean) nke nọmba anọ ahụ bụ́ K, 2K + 2, 3K <unk> 5 na 5K + 1 bụ 63, gịnị bụ uru nke K? Nhọrọ: (A) 11 (B) 15 3/4 (C) 22 (D) 23 (E) 23 1/11 Mmiri nke ịmara: 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 