alleryவர்க்கங்களின் தொடர் கூடுதல் 1, 5, 14, 30, 55 என அமைகிறது. அடுத்த கூடுதல் என்ன?
A96
B90
C85
D91
Answer & Solution
Correct answer: D. 91
இடைவெளிகள் 4, 9, 16, 25 ஆகிய வர்க்கங்களாக உள்ளன, எனவே அடுத்த இடைவெளி 36 ஆகும் மற்றும் 55 + 36 = 91.
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