Aptitude and Reasoning Questions

Which of the following is not a Triangular number?

Consider the circle shown below having angle AOB as 135 deg and the shaded portion is the x part of the circular region. Calculate the value of x.

If (1 / 3.197) = 0.3127, find the value of (1 / 0.0003197).

If the interest is compounded half-yearly, then what will be the compound interest (in Rs) on a sum of Rs 10000 for 1 year at the rate of 10% per annum?

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

?, Vice President, Prime Minister, Deputy Prime Minister

A cone of height 12 cm and diameter 10 cm is mounted on a hemisphere of the same diameter. What is the volume of the solid thus formed?

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., 'K' can be represented by 42, 34, etc. and 'Z' can be represented by 96, 79 etc. You have to identify the set for the word 'ROAD'.

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) Some polynomials are linear equations.
(II) Some linear equations are quadratic.

Conclusion:
(I) Polynomials are quadratic.
(II) Linear equations are quadratic.