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What will be the sum of first 20 odd numbers?

Soln Date / Update:-

21-Jul-2025 07:52AM

Solution:-

What will be the sum of first 20 odd numbers? 

(A) 600         (B) 400

(C) 256         (D) None of these

Soln:-

Formuls: Sum of odd No. = n2

= ( 20 )2

= 20 * 20

= 400

Ex-27

 

General & Competition Math (Vidyasagar) Ch-2: Examples-(2A)
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General & Competition Sub-Math (Vidyasagar)

General & Competition Math (Vidyasagar) Ch-2: Number System
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