Mensa IQ Test Mensa IQ Coding and Decoding 4

Question 1

In a code, APPLE → BQQMF (each letter +1). What is GRAPE coded as?

Accepted Answer

HSBQF

Answer

HSAQF

Answer

HSBRF

Answer

ITBQF

Question 2

RACECAR backwards is RACECAR. Which code technique produces the same output for this word?

Accepted Answer

Reversing the word

Answer

Caesar shift +1

Answer

Mirror alphabet

Answer

Vowel substitution

Question 3

If word 'sun' = 19-21-14 and 'moon' = 13-15-15-14, what word is 19-20-1-18?

Accepted Answer

STAR

Answer

SPAR

Answer

STAY

Answer

STAB

Question 4

In a shift code, LEMON = OHPRQ. What is the shift?

Accepted Answer

+3

Answer

+2

Answer

+4

Answer

+5

Question 5

Using the code A=1, B=2, C=3, …, Z=26, what is the sum of the codes for 'ACE'?

Accepted Answer

9

Answer

8

Answer

10

Answer

7

Question 6

A code swaps vowels in sequence: A→E, E→I, I→O, O→U, U→A. What does BASIC code to?

Accepted Answer

BESOC

Answer

BISOC

Answer

BESIC

Answer

BISIC

Question 7

In a letter-number-letter pattern: B2D means 'skip 2 letters after B to get D'. What does G3K represent?

Accepted Answer

Skip 3 letters after G to reach K

Answer

Add 3 to G's position

Answer

Multiply G by 3

Answer

Reverse of G3K