Aptitude and Reasoning Questions

Select the missing number from the given options.

a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

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:
No books are notebooks
Statement II:
All diaries are books

Conclusion I:
No notebooks are diaries
Conclusion II:
All diaries are notebooks

In a certain code language, @ represents '+', ⊕represents '-', α represents '+'and 'θ' represents 'X '. Find out the answer of the following question.

107 θ 3 ⊕ 64 α 8 ⊕ 2θ9=?

After their day's work two village women are returning home. The first woman walks 1.5 km West, then turns to her right and walks 3 km to reach her house. In the meanwhile the second woman walks 1 km North, then she turns East and walks 3.5 km, then she turns to her left and walks 2 km to reach her house. Where is the first woman's house with respect to the second woman's house?

Introducing a man, Shamita said, " He is the only son of my mother's mother." How is Shamita related to the man?

In the following figure, rectangle represents Animators, circle represents Dancers, triangle represents Potters and square represents Mothers. Which set of letters represents Potters who are not Mothers?