Aptitude and Reasoning Questions

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

Two pipes fill a tank when working individually in 25 and 40 hours, respectively while a third pipe can drain the filled tank in 16 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely ?

The effective annual rate of interest corresponding to a nominal rate of 19% per annum payable half­yearly is:

Which of the following quadratic equations has real roots?

Select the missing number from the given responses.

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 : All dawn is day.
Statement 2 : No day is night.

Conclusion I : No night is day.
Conclusion II : Some dawn is night.

In a circle, a chord, 5√2 cm long, makes a right angle at the centre. Then the length of the radius of the circle will be

 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 I: Some notes are coins

Statement II: All notes are currency

Conclusion I: No coins are currency

Conclusion II: Some currency are coins