In the sequence 20, 10, 10, 15, 30, 75, X, find the value of X.
Information Given:
Series: 20, 10, 10, 15, 30, 75, X
Logic:
Pattern: ×(1/2), ×1, ×(3/2), ×2, ×(5/2), ×3
Step-by-step:
20 × 1/2 = 10
10 × 1 = 10
10 × 3/2 = 15
15 × 2 = 30
30 × 5/2 = 75
75 × 3 = 225
Short Trick:
Multiply by pattern: 1/2, 1, 3/2, 2, 5/2, 3
Final Answer:
225
Final Correct Option:
D
English
40 Questions
160 Marks
30 Mins English English100 Questions400 Marks120 Mins English English10 Questions40 Marks10 Mins EnglishIn the sequence 20, 10, 10, 15, 30, 75, X, find the value of X.
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Suggested Test Series
Suggested Test Series
