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ആദ്യത്തെ 20 ഒറ്റ സംഖ്യകളുടെ തുക എത്ര?

A100

B200

C300

D400

Answer:

D. 400

Read Explanation:

ആദ്യത്തെ n ഒറ്റസംഖ്യകളുടെ തുക = n² ആദ്യത്തെ 20 ഒറ്റ സംഖ്യകളുടെ തുക = 20² = 400


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