Which of the following numbers will replace the question mark
Which of the following numbers will replace the question mark (?) in the given series?
निम्नलिखित श्रेणी में प्रश्नवाचक चिन्ह $(?)$ के स्थान पर कौन-सी संख्या आएगी?
4, 11, 19, 31, 52, 89, ?
Detailed Solution & Logic
Correct Answer:
151
Difference : 7,8,12,21,37,62
Difference of Difference: 1,4,9,16,25 (square of 1,2,3,4,5)
अंतर : 7, 8, 12, 21, 37, 62
अंतर का अंतर : 1, 4, 9, 16, 25 (1, 2, 3, 4, 5 के वर्ग)
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