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5, 10, 15, 20, x എന്നീ അളവുകളുടെ ശരാശരി 18 ആയാൽ x-ൻറ വില?

A16

B17

C18

D40

Answer:

D. 40

Read Explanation:

5 + 10 + 15 + 20 + x/5 = 18 50 + x = 90 x = 90 - 50 = 40


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