What should come in place of the question mark 84 77 70 ? 56 49 42
What should come in place of the question mark (?) in the given series?
दी गई श्रृंखला में प्रश्नवाचक चिह्न (?) के स्थान पर क्या आएगा?
84 77 70 ? 56 49 42
Detailed Solution & Logic
Correct Answer:
63
Series:
84, 77, 70, ?, 56, 49, 42
अंतर (difference) देखते हैं:
77 − 84 = −7
70 − 77 = −7
इससे पता चलता है कि हर बार 7 कम हो रहा है।
अगला पद:
70 − 7 = 63
जाँच:
63 − 7 = 56 ✔
56 − 7 = 49 ✔
49 − 7 = 42 ✔
सही उत्तर: 63
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