Aptitude and Reasoning Questions

A prism has a regular hexagonal base with side 6 cm. If the total surface area of prism is 216√3 cm2, then what is the height (in cm) of prism?

If secA + tanA = a, then the value of cosA is

Study the following bar­ diagram carefully and answer the questions. The bar graph given below shows the foreign exchange reserves of a country (in million US $) from 1991 ­ 1992 to 1998 ­ 1999.

The foreign exchange reserves in 1996­97 were approximately what percent of the average foreign exchange reserves over the period under review?

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

Statement 1 : No shirts are t-shirts.
Statement 2 : All t-shirts are cotton.

Conclusion I : Some shirts are cotton.
Conclusion II : No t-shirts are shirts.

The following pie-­chart shows the study­ time of different subjects of a student in a day . Study the pie chart and answer the following questions.

If the student studied chemistry for 3 hours , then he / she studied geography for

38% of 250 is equal to

Select the missing number from the given options?

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 fans are cups.
(II) All cups are pillows.

Conclusion:
(I) All fans are pillows.
(II) All pillows are fans.