Aptitude and Reasoning Questions

Find the volume (in cub.cm) of a hemisphere of diameter 21 cm.

Two motorcycle riders A and B start their rides from the same point. Rider A goes 11 km East then turns to his right and rides for another 9 km. Rider B goes 8 km North,then turns East and rides for 11 km and then turns to his right and rides 7 km. Where is rider A with respect to rider B?

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

IM, JO, KQ, LS, ?

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 notes are coins.
(II) No coin is a card.

Conclusion:
(I) All cards can be notes.
(II) Some notes are neither coins nor cards.

In a class consisting of boys and girls, there are 45 students. If three fifth of the students are boys, find the number of boys in the class.

U, V and W together can make a chair in 20 minutes. U and V together can make it in 25 minutes. How much time will (in minutes) W alone take to make the chair?

Two vessels of equal capacity contains juice and water in the ratio of 5 : 1 and 5 : 7 respectively. The mixture of both the vessels are mixed and transferred into a bigger vessel. What is the ratio of juice and water in the new mixture?

The average of three numbers is 6. The average of the first two is 5 while the average of the last two is 8. The three numbers are: