Home
PDF Store
Exams
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
Home
All MCQ
Exams
PDF Store
G.K.
Aptitude
Reasoning
English
Computer
Biology
Privacy
About
Contact
What is the correct answer?
4
The ratio between the speeds of two trains is 7: 8. If the second train runs 400 kms in 4 hours, then the speed of the first train is ?
A.
83.5 km/hr
B.
84.5 km/hr
C.
86.5 km/hr
D.
87.5 km/hr
Correct Answer :
D. 87.5 km/hr
Let the speeds of two trains be 7X and 8X km/hr.
8
X
=
400
4
⇒
X
=
12
.
5
K
m
/
h
r
So speed of first train is 12.5*7 = 87.5 km/hr
Related Questions
In covering a distance of 30 km, Abhay takes 2 hours more than Sameer.…
A person crosses a 600 m long street in 5 minutes. What is his speed in…
Robert is travelling on his cycle and has calculated to reach point A…
A person travels equal distances with speed of 3 km/hr, 4 km/hr and 5…
The ratio between the speeds of two trains is 7 : 8. If the second train…
A man complete a journey in 10 hours. He travels first half of the journey…
A train traveled at an average speed of 100 km/hr, stopping for 3 minutes…
A thief is noticed by a policeman from a distance of 200 m. The thief…
A man on tour travels first 160 km at 64 km/hr and the next 160 km at…
The ratio between the speeds of two trains is 7: 8. If the second train…
Excluding stoppages, the speed of a bus is 54 kmph and including stoppages,…
A car travelling with 57 of its actual speed covers 42 km in 1 hr…
A person travels from P to Q at a speed of 40 km/hr and returns by increasing…
A man covered a certain distance at some speed. Had he moved 3 kmph faster,…
An aeroplane covers a certain distance at a speed of 240 kmph in 5 hours.…
A man on tour travels first 160 km at 64 km/hr and the next 160 km at…
It takes eight hours for a 600 km journey, if 120 km is done by train…
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked…
In a flight of 600 km, an aircraft was slowed down due to bad weather.…
Robert is travelling on his cycle and has calculated to reach point A…
A walks around a circular field at the rate of one round per hour while…
The distance between two cities A and B is 330 Km. A train starts from…
A farmer travelled a distance of 61 km in 9 hours. He travelled partly…
A train can travel 50% faster than a car. Both start from point A at the…
A man in a train notices that he can count 41 telephone posts in one minute.…
In a flight of 600 km, an aircraft was slowed down due to bad weather.…
Also checkout
Synthesis of Sentences MCQ
Histology MCQ
Php Programming MCQ
Internal Combustion MCQ
Compressors, Gas Turbines & Jet Engines MCQ
Cloze Test MCQ
Software Engineering MCQ
Electrostatics MCQ
Power Plant Engineering MCQ
Electric Current MCQ
Man and Environment MCQ
Angiosperms (Inflorescence, Flower and Fruit) MCQ