Question 36 (iii) - CBSE Class 10 Sample Paper for 2024 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at Dec. 13, 2024 by Teachoo

How many throws did she do during the entire camp of 15 days ?

[SQP] How many throws did she do during the entire camp of 15 days? - CBSE Class 10 Sample Paper for 2024 Boards - Maths Standard

part 2 - Question 36 (iii) - CBSE Class 10 Sample Paper for 2024 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards - Class 10

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Transcript

We need to find the total number of throws during the entire camp of 15 days, which means we need to find 𝑺_𝟏𝟓 We know Sn = 𝑛/2 (2a + (n – 1)d) Putting n = 15, a = 40, d = 12 Sn = 𝟏𝟓/𝟐 (2 × 40 + (15 – 1) × 12) Sn = 15/2 (80 + 14 × 12) Sn = 15/2 (80 + 168) Sn = 𝟏𝟓/𝟐 × 248 Sn = 15 × 124 Sn = 1,860 Therefore, Sanjitha did 1860 throws during the entire camp of 15 days.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo

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