Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
AEG: GKM :: MQS : ?

In a certain code language, “FRONT” is written as “618151420” and “BORNE” is written as “21518145”. How is “MORNS” written in that code language?

If REDUCE= 56, RECYCLE = 71 then REUSE=?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

80 x 16 ÷ 4 + 2 - 8 = ?

Choose the related word/letters/number from the given alternatives. 19 : 6859 : : 21 : ?

Raju's wife is the sister of Rakesh's son. How is Raju related to Rakesh?

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

Golu is son of Bhola. Sheetal is daughter of Golu. Chitra is daughter of Dilip and Dilip is brother of Bhola. How is Chitra related to Sheetal?