Question
Train A takes 45 minutes more than train B to travel a
distance of 450 km. Due to engine trouble speed of train B falls by a quarter, so it takes 30 minutes more than Train A to complete the same journey. What is the speed of Train A (in km/hr)?Solution
let the speed of train A is x and speed of train B is 4y 450/x - 450/4y = 45 minutes(3/4) hour ------(1) 450/3y - 450x = 30 minutes (1/2) hour ------(2) on solving example (1) and (2) we get y = 30 and x = 100 km/hr Sped of A = 100 km/hr
Which rebellion against British rule began in Meerut, Uttar Pradesh, in 1857?
- Friedrich Merz became the ______ Chancellor of Germany.
Which of the following statements about FIDE is correct?
1. FIDE was founded in 1924 in Paris.
2. It has 201 national chess federations as...
What is the theme of Wings India 2024?
Which forest is known as the "Cherrapunji of South India"?Â
In which year did the British government of India pass a law granting property rights to Christian converts?Â
Where is the headquarters of the Directorate General of Civil Aviation located?
- Who serves as the highest law officer of India?
Who is the author of the novel ‘The Moor’s Last Sigh’?
- Match the following places with their corresponding historical events:
I) Mayurbhanj - 1) Merged into Odisha
II) Kolhapur - 2) Merged into Bombay Pr...
