Coding-Decoding & Blood Relations

What you'll learn

A from-scratch, exam-focused guide to bank-prelims Coding-Decoding (letter, number and new-pattern sentence coding) and Blood Relations. Learn the EJOTY and opposite-letter shortcuts, a clean method for sentence coding, and the draw-the-family-tree technique — with fully worked, verified examples tuned to tight sectional timing and 0.25 negative marking.

This chapter has

Coding-Decoding & Blood Relations — solved practice questions

8 Banking Reasoning Ability questions with step-by-step solutions. Attempt each, then reveal the answer.

1. Q1easy

   In a certain code, CAT is written as DBU. How is DOG written in that code?

   • AELG
   • BEPG
   • CEPH
   • DFPI
   Show answer & solution

   Correct answer: (C) EPH

   Each letter moves one step forward; D→E, O→P, G→H gives EPH.

2. Q2medium

   In a certain code, FRIEND is written as HTKGPF. How is CANDLE written in that code?

   • AEGPFNG
   • BECPFNG
   • CECRFNG
   • DECPGNG
   Show answer & solution

   Correct answer: (B) ECPFNG

   Each letter is shifted two steps forward; C→E, A→C, N→P, D→F, L→N, E→G gives ECPFNG.

3. Q3medium

   In a code language, 'red is good' is written as 'sa na li', 'is she tall' is written as 'na ka pa', and 'red car fast' is written as 'sa da ma'. What is the code for 'red'?

   • Ana
   • Bli
   • Cda
   • Dsa
   Show answer & solution

   Correct answer: (D) sa

   'red' appears only in the first and third sentences, whose common code is 'sa'; hence red = sa.

4. Q4easy

   In a certain code, MOUSE is written as 13-15-21-19-5 (each letter replaced by its position in the alphabet). How is CAT written?

   • A3-1-20
   • B3-1-19
   • C4-1-20
   • D3-2-20
   Show answer & solution

   Correct answer: (A) 3-1-20

   Each letter is replaced by its alphabet position: C = 3, A = 1, T = 20, giving 3-1-20.

5. Q5medium

   In a certain code, 5 # 3 = 16 and 6 # 2 = 16. Then 7 # 4 = ?

   • A44
   • B28
   • C22
   • D20
   Show answer & solution

   Correct answer: (C) 22

   The code is (a + b) × 2: (5 + 3) × 2 = 16 and (6 + 2) × 2 = 16, so (7 + 4) × 2 = 22.

6. Q6easy

   In a certain code, TIGER is written as REGIT. How is LION written in that code?

   • ANIOL
   • BNOLI
   • CLNOI
   • DNOIL
   Show answer & solution

   Correct answer: (D) NOIL

   The code reverses the order of the letters; LION reversed is NOIL.

7. Q7medium

   In a language, 'ka bi ta' means 'you are good', 'bi na da' means 'they are bad', and 'ta ra na' means 'you and they'. Which word means 'good'?

   • Abi
   • Bka
   • Cta
   • Dna
   Show answer & solution

   Correct answer: (B) ka

   'are' = bi (common to sentences 1 and 2) and 'you' = ta (common to sentences 1 and 3), so the remaining code ka in sentence 1 means 'good'.

8. Q8easy

   Pointing to a photograph, a man said, 'She is the daughter of my grandfather's only son.' How is the girl related to the man?

   • ASister
   • BDaughter
   • CMother
   • DAunt
   Show answer & solution

   Correct answer: (A) Sister

   The grandfather's only son is the man's father; the girl is the father's daughter, i.e. the man's sister.

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