Coding and decoding questions appear in reasoning section of SSC CHSL exam. The difficulty of this questions varies from easy to moderate. If you solve more questions on this topic, you can easily solve this questions. Some coding and decoding questions useful for SSC Exams like CHSL and CGL are provided below.

**Coding Decoding Questions for SSC CHSL:**

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**Question 1:** Which of the following interchange of signs would make the equation correct?

49 – 7 + 7 = 14

a) ÷ and +

b) + and –

c) – and ÷

d) – and +

**Question 2:** If in a certain code, ‘RESPONSES’ is written as ‘ESRONPESS’, then how can

‘SIGNATURE’ be written in the same code ?

a) ISNGTARUE

b) ERUTANGIS

c) GISTANERU

d) IGSATNREU

**Question 3:** Select the correct combination of mathematical signs to replace * signs and to balance the following equation :

(8 * 5 * 6) * 10 * 24

a) – + ÷ =

b) × × ÷ =

c) + – = ×

d) × – ÷ =

**Question 4:** If BLUE is written as EUBL, then BULB is written as

a) BLUB

b) BBUL

c) BBLU

d) BLBU

**Question 5:** Select the correct combination of mathematical signs to replace * signs and to balance the given equation. 8 * 6 * 96 * 2 =0

a) × ÷ –

b) × – ÷

c) – × ÷

d) ÷ – ×

**Question 6:** If each of the letters in the English alphabet is assigned an even numerical value beginning A = 2, B = 4 and so on, what will be the total value of the letters for the word INDIA?

a) 72

b) 86

c) 74

d) 94

**Question 7:** If ‘STYLE’ is written as PQVIB, how can ‘SMELL’ be written in that code ?

a) PJBII

b) PVBII

c) PVHII

d) PJHII

**Question 8:** If BUILDING is coded as 4152 759 6 and RIVER as 85308, what will be the code for BRIDGE ?

a) 485067

b) 485670

c) 458760

d) 485760

**Question 9:** Select the correct combination of mathematical signs to replace * signs and to balance the given equation :

13* 12 *5*4

a) = – +

b) = + –

c) + – =

d) – = +

**Question 10:** In a certain code language Sue Re Nik means She is brave. Pi Sor Re Nik means She is always smiling and Sor Re Zhi means Is always cheerful. What is the code used for the word ‘smiling’ ?

a) Nik

b) Re

c) Pi

d) Sor

**Solutions for Coding and Decoding for SSC CHSL:**

**Solutions:**

**1) Answer (C)**

option A: 49 – 7 ÷ 7 = 14, false

option B: 49 – 7- 7 = 14,false

option C: 49 ÷ 7 + 7 = 14,true

option D: 49 + 7 + 7 = 14,false

the correct answer is option C.

**2) Answer (D)**

If in a certain code, ‘RESPONSES’ is written as ‘ESRONPESS’, then in that code any general group of letters/ numbers 123456789 will be coded as “231564897”. similarly ‘SIGNATURE’ will be coded as ‘IGSATNREU‘.

option D.

**3) Answer (B)**

option A: 8-5 +6 ÷10 =24, not true

option B: 8×5 ×6 ÷10 =24 , true

therefore the correct answer is option B.

**4) Answer (D)**

Any general word abcd that can be coded in the same pattern as dcab. therefore BULB can be coded as BLBU. option D.

**5) Answer (B)**

If 8 * 6 * 96 * 2 =0 then 8×6 -96 ÷2 =48-48=0, can be a solution. which is option B.

**6) Answer (C)**

If each of the letters in the English alphabet is assigned an even numerical value beginning A = 2, B = 4 and so on, then INDIA will total to:

I=18,N=28,D=8,I=18,A=2 .

18+28+18+8+2=74. hence the correct answer is option C.

**7) Answer (A)**

If ‘STYLE’ is written as PQVIB, , then it can be inferred that each letter is represented by the letter that comes before it by 2 places. Similarly SMELL can be coded as PJBII. the correct answer is option A.

**8) Answer (D)**

If BUILDING is coded as 4152 759 6 and RIVER as 85308, then it can be inferred that:

B=4

R=8

I=5

D=7

G=6

E=0. therefore BRIDGE=485760. option D.

**9) Answer (B)**

In this question we need to check options and then decide our answer :

given pattern is 13* 12 *5*4

option A ) = – +

13 = 12 – 5 + 4 , here we can say that 13 =/= 11

option B) = + –

13 = 12 + 5 – 4 , here we can say that 13 =13

hence option B is the correct answer.

**10) Answer (C)**

If In a certain code language Sue Re Nik means She is brave. Pi Sor Re Nik means She is always smiling and Sor Re Zhi means Is always cheerful, then it can be inferred that

Sue Re= she is

is=Re

Sue=she

Sor= always

therefore Pi= smiling and

Zhi= cheerful.

the correct answer is option C.

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