Verbal Reasoning - Mental Ability Questions

In a code language, FATE is written as 61205. What is the code for LEAN?

In the following question, select the missing number from the given series.
1, 3, 6, 11, 18, ?

Raju introduces Yash by saying, "He is the husband of the granddaughter of my grandmother's husband". How is Yash related to Raju?

Identify the correct combination of mathematical signs to replace "*" sign in the given equation and balance the equation.

14*6*3*5*4*20

In the following question, select the related word pair from the given alternatives.
Heart : Organ : : ? : ?

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

Jupiter, ? , Uranus, Neptune

Some books are arranged one above the other. If a book is at 18th position from the top and 5th position from bottom then the total number of books is

If "α" denotes "subtracted from", "β" denotes "multiplied by", "θ" denotes "added to" and "δ" denotes "divided by", then 10 θ 8 β 4 δ 8 α 9 = ?