Verbal Reasoning - Mental Ability Questions

If 11$25 = 18, 12$20 = 16 then what is the value of 4$50 = ?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Clocklipe
2. Cloddier
3. Clodpates
4. Clodpolls
5. Clockwise

Select the related word/letters/number from the given alternatives. AIDS : VIRUS : : MALARIA : ?

Select the related word/letters/number from the given alternatives.
Nephrology : Kidney : : Ichthyology : ?

In a certain code language, “MAKER” is written as “PDNHU”. How is “TOOLS” written in that code language?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. CX, EV, GT, IR, ?

If 23$35 = 13, 3$5 = 8 then what is the value of 4$13 = ?

If 4 * 2 = 3 and 8 * 4 = 3 , then 21 * 7 = ?