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60 എന്നത് 10, 12, 15, x, y എന്നിവയുടെ ശരാശരിയുടെ 400% ആണെങ്കിൽ, x, y എന്നിവയുടെ ശരാശരി കണ്ടെത്തുക.

A20

B24

C15

D19

Answer:

D. 19

Read Explanation:

A എന്നത് 10, 12, 15, x, y എന്നിവയുടെ ശരാശരി ആയിരിക്കട്ടെ, 400% of A = 60 4A = 60 A = 15 5 സംഖ്യകളുടെ ശരാശരി = 15 എല്ലാ 5 സംഖ്യകളുടെയും ആകെത്തുക = 75 10 + 12 + 15 + x + y = 75 37 + x + y = 75 x + y = 75 - 37 x + y = 38 x, y എന്നിവയുടെ ശരാശരി = 38/2 = 19

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