Aptitude and Reasoning Questions

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

The number of diagonals in a hendecagon is

In a college, 25% of male faculties are same in number as 1/3rd of the female faculties. What is the ratio of male faculty to female faculty in that college?

 Out of two numbers, 65% of the smaller number is equal to 45% of the larger number. If the sum of the numbers is 2574, then what is the value of larger number? 

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

8 ÷ 2 - 25 + 10 x 3 = ?

In the following question, select the odd word pair from the given alternatives.

Determine the value of a+1b-1 when ab = 343.

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) The pass percentage in a subject Political Science is very low as compared to others in the same curriculum.
(II) The students who were admitted to the programme did not study Political Science earlier.

Conclusions:
(I) The foundation of the subject is very important for a student to perform well in examination.
(II) Political Science is a generic subject and students can attempt it without any problem.