a train covers the distance D between two cities in hours arriving 2 hours late.what rate would permit to train to arrive on schedule?
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Find the next letter in the series O,T,T,F,F,S,S--
perimeter of rectangle is s and the other side is x, then the other side
Which countries have two official national anthem ?
one question has last part like difference between two terms is 9 and product of two numbers is 10, what is the squares of sum of numbers?
2 vessels A and B contain spirit and water in the ratio of 5:2 and 7:6 respectively .find the ratio in which these mixtures be mixed 2 obtain a new mixture in the vessel containg spirit and water in the ratio 8:5
Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line; i.e. the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The maximum value of n1(P) over all configurations P of 19 points in the plane is 18 9 3 I could not solve this. plz give any solution for this question
An orange glass has orange juice and white glass has apple juice both of equal volumes. 50ml of the orange juice is taken and poured into the apple juice. 50ml from the white glass is poured into the orange glass. Of the two quantities, the amount of apple juice in the orange glass and the amount of orange juice in the white glass, which one is greater and by how much?
There were 750 people when the first song was sung. After each song 50 people are leaving the hall. Howmany songs are sung to make them zero?
A bus has 40 seats and the passengers agree to share the total bus fare among themselves equally. If the total fair is 80.67 , find the total no of the seats unoccupied.
If A is travelling at 72 km per hour on a highway. B is travelling at a speed of 25 meters per second on a highway. What is the difference in their speeds in m/sec.
A car averages 55 mph for the first 4 hours of a trip and averages 70 mph for each additional hour. The average speed for the entire trip was 60 mph. How many hours long is the trip?
There is a leak in the bottom of a cistern. When the cistern is thoroughly repaired, it would be filled in 3 ? hours. It now takes half an hour longer. If the cistern is full, how long will the leak take to empty the cistern? (a) 24 hours (b) 28 hours (c) 21 hours (d) 27 hours (e) None of these