LIVE Course for free

Rated by 1 million+ students
Get app now
JEE MAIN 2023
JEE MAIN 2023 TEST SERIES
NEET 2023 TEST SERIES
NEET 2023
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
48 views
in Aptitude by (54.0k points)
closed by
The ratio of the speeds of two trains is 3 : 4. If the second train covers a distance of 900 km in 5 hrs, then what is the speed of the first train?  
1. 130 km/h
2. 132 km/h
3. 135 km/h
4. 138 km/h

1 Answer

0 votes
by (30.0k points)
selected by
 
Best answer
Correct Answer - Option 3 : 135 km/h

Given:

Speed ratio = 3 : 4

Distance = 900 km

Time = 5 hrs

Formula used:

Speed = Distance/time

Calculation:

Let the speeds be 3x and 4x

A.T.Q

4x = 900/5

⇒ x = 900/20 = 45 

3x = 3 × 45 = 135 km/h

∴ The speed is 135 km/h

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...