Question 49 (Case Based Question) - CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1) - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Last updated at April 16, 2024 by Teachoo

The fuel cost for the train to travel 500 km at the most economical speed is:

(a) ₹ 3750 (b) ₹ 750 (c) ₹ 7500 (d) ₹ 75000

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Transcript

Question 49 The fuel cost for the train to travel 500 km at the most economical speed is: (a) ₹ 3750 (b) ₹ 750 (c) ₹ 7500 (d) ₹ 75000 Now, in our Cost function C(𝒗) C(𝒗) = 𝟑𝟕𝟓/𝟒 𝒗 + 𝟔𝟎𝟎𝟎𝟎𝟎/𝒗 Thus, Fuel Cost = 375/4 𝑣 = 375/4 × 80 = Rs 7500 So, the correct answer is (c)

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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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