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Solution: On observation, it is clear that the first and third letters are coded as symbols,
and the second and fourth letters are coded by numbers.
The code of E and S is 5 and 1 respectively, whereas the first and third characters must be symbols.

In all four options, c option is correctly coded.

Activity 1.1

1. If ‘BEAT’ is coded as ‘ADZS’, then how will you code ‘TRACE’?

a. USBDF b. SQZBD c. SQABD d. SQZDE

2. In a certain code, CLOCK is coded as KCOLC, how is STEPS coded in that code?

a. SPETS b. SPSET c. SPEST d. STEPS
3. If HEALTH is coded as GDZKSG, then code for NORTH is

a. OPSUI b. GSQMN c. FRPML d. MNQSG

4. If the code of AMONG is BKRJL, then the code of SLEEP is

a. LEPSE b. TGHAU c. TMFGQ d. TJHAU

5. If BAKE is coded as 5796 and FIRE is coded as 3146, then FEAR is coded as
a. 6374 b. 3674 c. 4763 d. 6347

6. In a certain code language, PAIR is written as ‘7199’. In the same code language,
how will ‘FAIR’ be written?

a. 6919 b. 1691 c. 6991 d. 6199

7. If BRAIN is coded as 29195, then how is SLEEP coded in that code?

a. 13557 b. 15357 c. 31557 d. 35517
8. If 1352 is coded as DEAR and 2693 is coded as ROPE, then 9352 is coded as

a. ARPE b. RAEP c. PEAR d. ERPA

9. If RAID is written as %#@$ and RIPE is coded as %@^*, then DEAR is coded as

a. $*#% b. *#%$ c. $%*# d. #%$*

10. If STAR is coded as #8@7, then JRKT is coded as
a. *789 b. *7%8 c. %8*9 d. %7*#

1.3 PUZZLE TEST
A puzzle is a problem in which the information is given in a confusing and jumbled manner.
Many times, only a part of the whole information is given and you are required to fill in the
missing links in the given information.

Code - Decode 11