alleryश्रृंखला 3, 8, 13, __, 23, 28 में रिक्त स्थान पर कौन-सी संख्या आएगी?
A17
B19
C20
D18
Answer & Solution
Correct answer: D. 18
प्रत्येक पद में 5 की वृद्धि हो रही है, इसलिए 13 के बाद का पद = 13 + 5 = 18 होगा।
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