शृंखला में अगला पद ज्ञात कीजिए: 6, 13, 27, 55, 111, ?
A333
B166
C223 ✓ Correct
D222
Correct answer: (C) 223
Explanation
अगला पद 223 है।
प्रत्येक पद = पिछला x 2 + 1।
6 x 2 + 1 = 13, 13 x 2 + 1 = 27।
27 x 2 + 1 = 55, 55 x 2 + 1 = 111।
111 x 2 + 1 = 223।
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