Verbal Reasoning - Mental Ability Questions

In the following question, select the related number from the given alternatives.
243 : 819 : : 163 : ?

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?

Hitesh, Sunny, Vicky, Nitin and Bharat are arranged in ascending order of the height from the top. Hitesh is at third place. Bharat is between Nitin andHitesh while Nitin is not at the bottom. Who has the maximum height among them?

In a row of boys, Amit is ranked 12th from top and Ratan is 15th from bottom. They interchange their position. Ratan now becomes 37th from bottom. How many total boys are there in the row?

Findout the odd word/letters/number/number pair from the given alternatives.

If 40@8 = -5, 30@3 = -10 and 20@5 = -4, then find the value of 60@3 = ?

In the following question, select the related number from the given alternatives.
4 : 17 : : 7 : ?

In the following question, select the missing number from the given series.146, 137, 128, ?, 110, 101