A train speeds past a pole in 15 seconds and a platform 100
m long in 25 seconds. Its length is

Answer Posted / rohit singh

Let the length of the train is x meter and Speed of the train is y meter/second
Then x/y = 15 [because distance/speed = time] 
=> y = 15/x

=>(x+100)/25=x/15
x=150 meters

So length of the train is 150 meters

Is This Answer Correct ?    1 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Find the correct meaning of the following phrase: Penny wise pound foolish

753


Which number does not belong to this series 1,1,2,3,4,5,8,13,21?

730


hi i am going to write SBI Technical Executives entrance exam.pls help me out in clearing thisexam.kindly proivde me the question papers..

1686


An article sold at a profit of 20% if both the cost price and selling price would be Rs.20/- the profit would be 10% more. What is the cost price of that article?

821


A car is filled with four and half gallons of fuel for a round trip.If the amount of fuel taken while going is 1/4 more than the amount taken for coming, what is the amount of fuel consumed while coming back?

934






A father F has 5 sons, p,q,r,s,t. Not necessarily in this order. Two are of same age. The eldest and youngest cannot be twins. T is elder to r and younger to q and s has three older brothers. who is the oldest and youngest?

758


Now i am doing RHCE (Red Hat Certified Engineer). Please give some interview questions of linux.

2741


Four concentric circles are given. The radius of 1st circle is x. Next is 2x, then 3x and 4x. Given that area between 2nd and 1st is A and 4th and 3rd circles being B. Find ratio of A to B

718


on an item a company gave 25% discount then they get 25% profit if it gives 10% discount then what is the profit.

662


FIND the next number in the series 11,112,1124,11248,--

772


A salesperson by mistake multiplied a number and got the answer as 3, instead of dividing the number by 3.What is the answer he should have actually got?

849


5 thieves stole diamonds in following way 1st stole half +2 2nd remaining half +2. for 5th there was no diamond how many diamond were there initially

742


All men of this party are republican . mohan is member of this party. mohan is republican is true or false or camn't say?

705


A person travels 12 km in the southward direction and then travels 5km to the right and then travels 15km toward the right and finally travels 5km towards the east, how far is he from his starting place?

760


In a cycle race there are 5 persons named as J, K, L, M, N participated for 5 positions so that in how many number of ways can M make always before N?

1214