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Find the sum of all number …

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Find the sum of all number from 1 to 20

Posted by Manjula K 6 years, 8 months ago

CBSE > Class 10 > Mathematics

3 answers

Manish Tanwar 6 years, 8 months ago

120

0Thank You

Bhagaban Reddy 6 years, 8 months ago

Sn=n/2(2a+(n-1)d)

0Thank You

Ashish Singh 6 years, 8 months ago

a=1 d=1 n÷2(2a + n-1× d) n=20

2Thank You

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Posted by Hari Anand 7 months ago

CBSE > Class 10 > Mathematics

0 answers

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
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Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Kanika . 1 month, 4 weeks ago

CBSE > Class 10 > Mathematics