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3 മീറ്ററിന്റെ എത്ര ശതമാനമാണ് 90 cm ?

A10%

B30%

C27%

D45%

Answer:

B. 30%

Read Explanation:

3m = 300 cm 300 cm X x/100 = 90 cm X = 90 x 100 / 300 = 30%


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