alleryबॉक्स 1 में 5 मोती हैं; प्रत्येक अगला बॉक्स डबल रखता है। बॉक्स में मोती 4?
A20
B30
C80
D40
Answer & Solution
Correct answer: D. 40
बॉक्स की गिनती 5, 10, 20 और 40 है, इसलिए बॉक्स 4 में 40 मोती हैं।
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