Verbal Reasoning - Mental Ability Questions

In a dinner party both fish and meat were served. Some took only fish and some only meat. There were some vegetarians who did not accept either. The rest accepted both fish and meat. Which of the following Venn-diagrams correctly reflects this situation?

Arrange the given words in the sequence in which they occur in the dictionary.

i. Opposite
ii. Optimist
iii. Orthodox
iv. Operation

Early morning after sunrise, Karthik was standing infront of his house in such a way that his shadow was falling exactly behind him. He starts walking straight and walks 5 metres. He turns to his left and walks 3 metres and again turning to his left walks 2 metres. Now in which direction is he from his starting point?

In the following question, select the missing number from the given series.

9, 10, 13, 22, 49, ?

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative 

 Assertion (A) : We feel colder on mountains than on plains.

 Reason (R)    : Temperature decreases with altitude. 

In the following question, select the missing number from the given series.

18, 37, 76, 155, 314, ?

Find the value of 6 + 11 + 16 + 21 + 21 + .... + 71.

In the following question, select the missing number from the given series.

44, 40, 36, ?, 28, 24