Mensa IQ Test Mensa IQ Coding and Decoding 1

Question 1

In a certain code, BRIDGE is written as EULGJH. What is the rule being applied?

Accepted Answer

Each letter is shifted forward by 3

Answer

Each letter is shifted backward by 3

Answer

Alternate letters are shifted by 2 and 4

Answer

Each letter is replaced by its mirror in the alphabet

Question 2

If MOUSE = 13-15-21-19-5, what does 6-15-24 decode to?

Accepted Answer

FOX

Answer

GOX

Answer

FOY

Answer

EOX

Question 3

In a code, CAT → DCV and DOG → EPH. Which word encodes to GQX?

Accepted Answer

FQW

Answer

FPW

Answer

GPW

Answer

FPX

Question 4

If ★=1, ■=2, ▲=3, ●=4, what is the value of ▲★■●?

Accepted Answer

3124

Answer

3142

Answer

1324

Answer

4231

Question 5

COLD is coded as FROG. Using the same rule, how is HEAT coded?

Accepted Answer

KHDW

Answer

KHEX

Answer

JHDW

Answer

KGDW

Question 6

In a certain number code, 123 means 'eat fresh fruit', 234 means 'fresh juice daily', and 345 means 'daily health boost'. What number stands for 'daily'?

Accepted Answer

4

Answer

3

Answer

2

Answer

5

Question 7

If PENCIL → QFODKM using a Caesar-type shift, what is RUBBER coded as?

Accepted Answer

SVCCFS

Answer

SVDCFT

Answer

TVCEFS

Answer

SVCCES