7,9,12,15 के प्रत्येक पद में कौन� – McqOptions

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1.	7,9,12,15 के प्रत्येक पद में कौनसी संख्या जोड़ दी जाऍ ताकि ये समानुपाती हो जाऍ \|
A.	3
B.	7
C.	8
D.	6
Answer» B. 7

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