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അടുത്ത സംഖ്യ ഏതെന്നു കണ്ടുപിടിക്കുക : 7,11,19,31,47,-------

A57

B78

C59

D67

Answer:

D. 67

Read Explanation:

⇒ 7 ⇒ 7 + 4 = 11 ⇒ 11 + 8 = 19 ⇒ 19 + 12 = 31 ⇒ 31 + 16 = 47 ∴ 47 + 20 = 67


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