Home PDF Store Exams G.K. Aptitude Reasoning English Computer Biology Privacy About Contact

Two trains are running at 40 km/hr and 20 km/hr respectively in the same direction. Fast train completely passes a man sitting in the slower train in 5 seconds. What is the length of the fast train ?

A. $27 \frac{7}{9}$

B. $28 \frac{7}{9}$

C. $29 \frac{7}{9}$

D. $30 \frac{7}{9}$

Study and Earn Android App

Share this question with your friends

Correct Answer : A.

As Trains are moving in same direction,
So, Relative Speed = 40-20 = 20 kmph
= 20*(5/18) = 50/9 m/sec
Length of Train= Speed * Time

L e n g t h = \frac{50}{9} \times 5 = \frac{250}{9} = 27 \frac{7}{9}

Comment

Also checkout

Windows 2000 Server MCQ Tumors of the prostate MCQ Urologic infections and inflammations MCQ Man and Environment MCQ Electricity Fundamentals MCQ Skin Anatomy and Physiology MCQ Angiosperms (Inflorescence, Flower and Fruit) MCQ Problems on Trains MCQ Current Affairs April 2017 MCQ Airport Engineering MCQ Wound Repair And Care MCQ Advanced Surveying MCQ