Aptitude and Reasoning Questions

A, B and C can complete a task together in 10 days. A and B would need 12 days if only the two of them worked, while B and C would take 20 days if only the two of them worked. If B worked alone, how many days would she take to complete the task?

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

9 - 14 + 15 x 10 ÷ 16 = ?

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

F, J, M, Q, T, X, ?

Select the odd word/letters/number/number pair from the given alternatives.

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

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.

Statement:
(I) Men are sinners.
(II) Saints are men.

Conclusions:
(I) Saints are sinners.
(II) Sinners are saints.

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.

Statements: Some flies are ants.
All insects are ants.

Conclusions: I. All flies are ants.
II. Some ants are insects.

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:
I. All stars twinkle.
II. All satellites twinkle.

Conclusions:
I. Some stars are satellites.
II. Some stars twinkle.