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സംഖ്യാശ്രേണിയിലെ വിട്ട സംഖ്യ ഏത്?

7, 12, 19, ....., 39, 52

A29

B21

C30

D28

Answer:

D. 28

Read Explanation:

7 + 5 = 12 12 + 7 = 19 19 + 9 = 28 28 + 11 = 39


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