Prelims

The surface area of a cube is 216 sq.m. What is its volume ?

If Rs. 1000 is invested at 12% interest and interest is compounded half yearly, what will be the total amount at the end of one year ?

Sound waves travel at 300 m/s. Sound produced at a point is heard by a person after 5 seconds while the same sound is heard by another person after 6 seconds. What could be the maximum and minimum distances between the two persons?

Consider the diagram given below : Five hundred candidates appeared in an examination comprising tests in English, Hindi and Mathematics. The diagram gives the number of candidates who failed in different tests. What is the percentage of candidates who failed in at least two subjects ?

Which one of the following four logical diagrams represents correctly the relationship between musicians, instrumentalists, violinists ?

Examine the following statements: I. Either A and B are of the same age or A is older then B. II. Either C and Dare of the same age or D is older than C. III. B is older than C. Which one of the following conclusions can be drawn from the above statements?

Study the graphs given below : The first graph depicts a hypothetical movement of Bombay Stock Exchange Sensitive index which is an indicator of the average price movement of a representative set of stocks. The second graph depicts the averaged price of all automobile manufacturing companies. Which one of the following is a valid inference ?

The letters L, M, N, O, P, Q, R, S and T in their order are substituted by nine integers 1 to 9 but not in that order, 4 is assigned to P. The difference between P and T is 5. The difference between N and T is 3. What is the integer assigned to N?

If ‘BJP’ is ‘DMK’ then ‘RRS’ would be

In recent years, there has been some concern over the threat posed by the Mathura Oil Refinery and the thermal power plants to the Taj Mahal in Agra. The scientific basis of any possible damage to the Taj is mainly