55 53 50 45 38 ?
27
Series: 55, 53, 50, 45, 38, ?
Differences:
55 → 53 = −2
53 → 50 = −3
50 → 45 = −5
45 → 38 = −7
Pattern: subtracting consecutive prime numbers (2, 3, 5, 7)
Next subtract 11:
38 − 11 = 27
Final Answer: 27
Important Questions from Number Series
Select the number from among the given options that can replace the question mark (?) in the following series.
15, 45, 75, 105, ?
Identify the number that does NOT belong to the following series.
18, 27, 35, 45, 54
Select the number from among the given options that can replace the question mark (?) in the following series.
37, 41, 50, 66, ?
दिए गए विकल्पों में से वह संख्या चुनिए जो निम्नलिखित श्रृंखला में प्रश्नवाचक चिन्ह (?) को प्रतिस्थापित कर सके।
20, 21, 25, 34,?, 75
Select the correct option that will fill in the blank and complete the series.
45, 49, 58, 74, .........
