alleryটিকিটের সমান ব্যবধানে সংখ্যা রয়েছে: 8, ?, 20, 26। অনুপস্থিত নম্বর?
A12
B14
C16
D18
Answer & Solution
Correct answer: B. 14
ধ্রুবক ব্যবধান হল 26 − 20 = 6, তাই অনুপস্থিত টিকিটের নম্বর হল 8 + 6 = 14৷
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