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Find the sum of the given series for 20 terms:
5+10+15+20+…….

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detailed solution

Correct option is C

The sum of the above series is given by n2[2a+(n-1)d] = 10[2×5 + 19×5] = 10{105} =1050

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Find the sum of the given series for 20 terms:5+10+15+20+…….

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

Find the sum of the given series for 20 terms:
5+10+15+20+…….