Verbal Reasoning - Mental Ability Questions

In the following question, select the related word from the given alternatives.
Calendar : Date : : Index : ?

If 'A' stands for '+' , 'B' stands for '-' , 'C' stands for 'x' , what is the value of (10C4)A(4C4)B6 = ?

A's weight is more than the weight of C, and A has the second highest weight. E weighs more than A. B weighs more than D. Who is the heaviest?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. 4, 13, 40, 121, ?

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

WYV, ? , IKH, BDA

Arrange the given words in the sequence in which they occur in the dictionary.
i. Claim
ii. Clearly
iii. Clerk
iv. Clerical

Which word comes first in the dictionary?

There are 45 trees in a row. The lemon tree is 20th from right end. What is the rank of lemon tree from left end?