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Two trains in the same direction at 50 & 32 kmph respectively. A man in the slower train observes the 15 seconds elapse before the faster train completely passes him. What is the length of faster train ?
Three men goes to a hotel to stay ,the clerk says $30 per room/day so all the three plans to stay in one room so each pays $10.After some time the clerk realises that he made a mistake of collecting $30 but the room cost only $25,there fore he decides to return $5 to them so he calls the room boy and gives him $5 asking him to return. The room boy keeps $2 with him and he returns only $3($1 for each). Now Totally all have paid $9 each($27)+room boy $2 which is equal to $27.where did $1 go,who has made the mistake?
A person has his own coach&whenever he goes to railway station he takes his coach.One day he was supposed to reach the railway station at 5 O'clock.But he finished his work early and reached at 3 O'clock. Then he rung up his residence and asked to send the coach immediately. He came to know that the coach has left just now to the railway station.He thought that the coach has left just now to the railway station.He thought that he should not waste his time and started moving towards his residence at the speed of 3min/hr.On the way,he gets the coach and reaches home at 6 o'clock.How far is his residence from railway station.
in a question ,last part has, the ages of two people has the ratio of 6:6 and by adding the numbers we get 44, after how many years the ratio would be 8:7?
Joe started from Bombay towards pune and her friend julie in opposite direction.they meet at a point .distance travelled by joe was 1.8 miles more than that of julie.after spending some both started there way.joe reaches in 2 hours while julie in 3.5 hours. Assuming both were travelling with constant speed.Wath is the distance between the two cities.
The numbers A, B and C make a sum of 98. If the ratio A:B is 2:3 and that B:C is 5:8, the third number would be
g[0]=1,g[1]=-1,g[n]=2*g[n-1]-3*g[n-2] then calculate g[4]= ?
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A Flight takes off at 2 A.M from northeast direction and travels for 11 hours to reach the destination which is in north west direction.Given the latitude and longitude of source and destination. Find the local time of destination when the flight reaches there?
If a square is formed by the diagonal of the square as an edge, what is the ratio between the area?
If the circumference of a circle is 100 units, Then what will the length of the arc described by an angle of 20 degree ?
One clock rings 7 O'clock in 7 sec.In how many seconds it will ring 10 O'clock.
Business Analytics What's the difference between logistic and linear regression? How do you avoid local minima?
There are two trees in a lawn. One grows at a rate 3/5 of the other in 4 years. If the total growth of trees is 8 ft. What is the height of the smaller tree after 2 years