Aptitude and Reasoning Questions

By which least number should 5000 be divided so that it becomes a perfect square?

Sham goes to his friend's house that is straight 10 Km from his house. On his way back, he takes a right turn and walks 2 Km and again takes a right turn and walks for 10 Km before he takes a right turn again. How much distance is Sham still away from his house?

The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax­-8, then a 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.

Ratio of the sum of foreign exchange during the years 1991­-92, 1992­-93, 1993-­94 to that during the years 1995-­96, 1996­-97, 1997­-98 is

In a mixture of 25 litres, the ratio of milk to water is 4:1. Another 3 litres of water is added to the mixture. The ratio of milk to water in the new mixture is

Students from different countries (A, B, C, D, E, F) participated in a certain seminar. The pie chart shows how many students came from each of the six participating countries. Study the diagram and answer the following questions.

By what count (in %) students from Country B at the seminar were more than the students from Country E?

If tanA + tanB = X, then the value of X is

PQ is a diameter of a circle with centre O. RS is a chord parallel to PQ subtends an angle of 40° at the centre of the circle. If PR and QS are produced to meet at T, then what will be the measure (in degrees) of ∠PTQ?