Question:

8ൻറ ആദ്യത്തെ 20 ഗുണിതങ്ങളുടെ ശരാശരി എത്ര?

A200

B168

C210

D84

Answer:

D. 84

Explanation:

ശരാശരി = 8(1+2+...+20)/20 =(8*210)/20=21 * 4=84


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