The total cost of the train to travel 500 km at the most economical speed is:
(a) ₹ 3750 (b) ₹ 75000 (c) 7500 (d) 15000
CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1)
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CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1)
Last updated at April 16, 2024 by Teachoo
Question 50 The total cost of the train to travel 500 km at the most economical speed is: (a) ₹ 3750 (b) ₹ 75000 (c) 7500 (d) 15000 Now, Total Cost = 𝟑𝟕𝟓/𝟒 𝒗 + 𝟔𝟎𝟎𝟎𝟎𝟎/𝒗 Putting v = 80 = 𝟑𝟕𝟓/𝟒 × 𝟖𝟎 + 𝟔𝟎𝟎𝟎𝟎𝟎/𝟖𝟎 = 7500 + 7500 = Rs 15,000 So, the correct answer is (d)