Aptitude and Reasoning Questions

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.

20 ÷ 12 - 30 + 10 x 10 = ?

In the following question, select the odd word pair from the given alternatives.

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statements:
(I) All flowers are stems.
(II) All stems are roots.

Conclusion:
(I) All roots are flowers.
(II) All stems are flowers.

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 01 and 'P' can be represented by 10, 44, etc. Similarly you have to identify the set for the word 'BARK'

If any two sides of a triangle are divided by the line in the same ratio, then the line must be _________________ to the third side of the triangle.

Mr.X is the only son of Ms. Y's grandfather. If Mr. X has no brothers or sisters and his father is Ms. Y's grandfather, then Mr. X is Ms. Y's ___.

What is the value of (cos30° + 1/2) ?

A man leaves from his home for work on his motorcycle. He goes 5 km South, then turn to his left and travels 6 km, then turns South and travels 13 km then turns West and travels 6 km to reach his office. Where is his office with reference to his home?