Verbal Reasoning - Mental Ability Questions

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

D, G, K, N, R, ?, ?, B, F

If 80&10 = -8, 50&2 = -25 and 80&16 = -5, then find the value of 20&5 = ?

In each of the following questions, four words have been given out of which three are alike in some manner, while the fourth one is different. Choose the word which is different from the rest.

In the following question, select the related word from the given alternatives.
Sheep : Lamb : : Cow : ?

Spandana is the sister of Raju. How is Raju's father's sister related to Spandana?

Pointing to a lady, Anju says, "She is the sister of my brother's mother". How is the lady related to Anju?

In a certain code language, “LINKS” is written as “93210” and “CROMA” is written as “84576”. How is “ROCKS” written in that code language?

If ' + ' means minus , ' - ' means multiplication , ' ÷ ' means plus , and ' x ' means division , then 15 - 3 + 10 x 5 ÷ 5