Exams

A train moves at a speed of 35 m/sec and crosses a tunnel of length 960 metres, in 40 seconds. What is the length (in metres) of the train?

Two pipes, when working one at a time can fill a cistern in 2 hrs and 3 hrs, respectively while a third pipe can drain the cistern empty in 6 hrs. All the three pipes were opened together when the cistern was 1/6 full. How long will it take for the cistern to be completely full?

Two vessels of equal capacity contains juice and water in the ratio of 5 : 1 and 5 : 7 respectively. The mixture of both the vessels are mixed and transferred into a bigger vessel. What is the ratio of juice and water in the new mixture?

Two motorcycle riders A and B start their rides from the same point. Rider A goes 11 km East then turns to his right and rides for another 9 km. Rider B goes 8 km North,then turns East and rides for 11 km and then turns to his right and rides 7 km. Where is rider A with respect to rider B?

A series is given with one term missing.Select the correct alternative from the given ones that will complete the series.

IM, JO, KQ, LS, ?

What is the reflection of the point (5 , -1) in the line y = 2?

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'G' can be represented by 04,40, etc. , and 'K' can be represented by 56, 68,etc. Similarly, you have to identify the set for the word 'LIFE'.

Ozone hole is caused by chemicals like _____.