
Coding-Decoding Quiz
Authored by Sethu Ram
Mathematics
Professional Development
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a certain alpha-numeric code, 'PLATE' is written as 45 and 'BLEAK' is written as 13. How will 'PASTE' be written in the same code?
12
21
54
16
Answer explanation
In the code, each letter corresponds to its position in the alphabet (A=1, B=2, ..., Z=26). For 'PLATE' (16+12+1+20+5=54) and 'BLEAK' (2+12+5+1+11=31), the values are halved. 'PASTE' (16+1+19+20+5=61) gives 16 when halved.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ОT 05 is related to SX 07 in a certain way. In the same way, GK 09 is related to KO 11. Тo which of the following is BG 13 related following the same logic?
182103513
181203514
182203614
191253014
Answer explanation
The pattern involves adding the first letter's position in the alphabet to the second part. For BG 13, B(2) + 13 = 15 (O), and G(7) + 13 = 20 (T). The correct choice is 181203514, which corresponds to B(2) and G(7) with the right numbers.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a certain code language, MUTINY is written as 25149202113 and MAGIC is written as 397113. How will NECTAR be written in the same language?
KF 15
FK 20
FK 15
KF 51
Answer explanation
In the code, each letter corresponds to its position in the alphabet (A=1, B=2, ...). NECTAR translates to 14 (N), 5 (E), 3 (C), 20 (T), 1 (A), 18 (R). The sum is 61, but the last digit is taken, giving 20. Thus, NECTAR is FK 20.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a certain code language, MARKS is written QEVOW and CLOSE is written as GPSWI. How will DRIVE be written in the same language?
HVMZK
HVMАJ
GVNZI
HVMZI
Answer explanation
In the code, each letter is shifted forward by 3 positions in the alphabet. For DRIVE: D->H, R->V, I->M, V->Z, E->I. Thus, DRIVE is coded as HVMZI.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a certain code language, TOTAL is written as 68 and PEN is written as 35. In the same language, what will OIL be written as?
36
46
56
66
Answer explanation
In the code, each letter corresponds to its position in the alphabet (A=1, B=2, ...). For OIL: O(15) + I(9) + L(12) = 36. Thus, OIL is written as 36.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a certain code language, TOUGH is written as 20152178 and PLEAD is written as 1612514. How will CLOVE be written in the same language?
31115215
31215225
31215324
31315235
Answer explanation
Each letter corresponds to its position in the alphabet. C=3, L=12, O=15, V=22, E=5. Combining these gives 31215225, matching the pattern used for TOUGH and PLEAD. Thus, CLOVE is written as 31215225.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a certain code language, CABLE is coded as 65@7# and PARKLET is coded as 85917#2. How will ELRAP be coded in that language?
#9587
9#785
#7958
7#958
Answer explanation
To decode ELRAP, we reverse the letters to get PARKLET. The code for PARKLET is 85917#2. By matching the letters, E=8, L=5, R=9, A=7, P=#. Thus, ELRAP is coded as #7958.
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