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1)

If  13+23+..........+93=2025thenthevalue(0.11)3+(0.22)3+......+(0.993) is close to 


A) 0.2695

B) 0.3696

C) 2.695

D) 3.695

Answer:

Option C

Explanation:

(0.11)3+(0.22)3+.......+(0.99)3=(0.11)3(12+22+......+92)

0.001331×2025=2.695275=2.695