Verbal Reasoning - Mental Ability Questions

If 15#2 = 26, 11#3 = 16 and 10#9 = 2, then find the value of 11#4 = ?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M" denotes "added to" and "L" denotes "divided by", then 7 V 42 M 56 L 8 S 5 = ?

Select the related word/letters/number from the given alternatives.
DI : M : : CR : ?

Select the related word/letters/number from the given alternatives.
PEON : QRHS : : JOCK : ?

In the following question, select the odd letters from the given alternatives.

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

In the following question, select the word which cannot be formed using the letters of the given word.

BILLIONAIRE

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
400, -200, 100, ? , 25, -12.5