अनुक्रम 2,6,12,20,30,42,56 ..... की अगली स – McqOptions

MCQOPTIONS

1.	अनुक्रम 2,6,12,20,30,42,56 ..... की अगली संख्या है -
A.	72
B.	89
C.	45
D.	23
Answer» B. 89

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