Check sibling questions

CBSE Class 12 Sample Paper for 2022 Boards (MCQ Based - for Term 1)

CBSE Class 12 Sample Paper for 2021 BoardsΒ β†’
Class 12
Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Question 50 (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 March 22, 2023 by

The total cost of the train to travel 500 km at the most economical speed is:

(a) β‚Ή 3750 Β  Β  (b) β‚Ή 75000 Β  (c) 7500 Β  (d) 15000 Β 

Slide130.JPG

This video is only available for Teachoo black users

Subscribe Now

Get live Maths 1-on-1 Classs - Class 6 to 12

Book 30 minute class for β‚Ή 499 β‚Ή 299

Transcript

Question 50 The total cost of the train to travel 500 km at the most economical speed is: (a) β‚Ή 3750 (b) β‚Ή 75000 (c) 7500 (d) 15000 Now, Total Cost = πŸ‘πŸ•πŸ“/πŸ’ 𝒗 + πŸ”πŸŽπŸŽπŸŽπŸŽπŸŽ/𝒗 Putting v = 80 = πŸ‘πŸ•πŸ“/πŸ’ Γ— πŸ–πŸŽ + πŸ”πŸŽπŸŽπŸŽπŸŽπŸŽ/πŸ–πŸŽ = 7500 + 7500 = Rs 15,000 So, the correct answer is (d)

Ask a doubt
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.