What is the number of triangles that can be formed whose vertices are the vertices of an octagon but have only one side common with that of octagon?

A can work twice as fast as B. A and C together can work three times as fast as B. if A,B and C complete a job in 30 days working together, in how many days can each of them complete the work.

The LCM of the three numbers 45,30 and 35 is:

Select the option that depicts the correct mirror image of the following figure if the mirror is placed at MN.

According to the given Venn diagram, the total number of non-athletic and disciplined boys is ___.

In the following figure, rectangle represents Physicians, circle represents Racers, triangle represents Writers and square represents Mothers. Which set of letters represents Mothers who are not Racers?

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 shown in the given two matrices. 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, for example 'C' can be represented by 23, 40 etc and 'X' can be represented by 66, 96 etc. Similarly, you have to identify the set for the word 'DUNG'.

Select the Answer Figure that will correctly fit in the blank space in the Problem Figure.

Choose the correct water image of the given problem figure from the answer figures.