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Class 10 Exam  >  Class 10 Tests  >  Science Olympiad Test: Coding & Decoding - Class 10 MCQ

Science Olympiad Test: Coding & Decoding - Class 10 MCQ


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15 Questions MCQ Test - Science Olympiad Test: Coding & Decoding

Science Olympiad Test: Coding & Decoding for Class 10 2024 is part of Class 10 preparation. The Science Olympiad Test: Coding & Decoding questions and answers have been prepared according to the Class 10 exam syllabus.The Science Olympiad Test: Coding & Decoding MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Science Olympiad Test: Coding & Decoding below.
Solutions of Science Olympiad Test: Coding & Decoding questions in English are available as part of our course for Class 10 & Science Olympiad Test: Coding & Decoding solutions in Hindi for Class 10 course. Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free. Attempt Science Olympiad Test: Coding & Decoding | 15 questions in 15 minutes | Mock test for Class 10 preparation | Free important questions MCQ to study for Class 10 Exam | Download free PDF with solutions
Science Olympiad Test: Coding & Decoding - Question 1
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If COME is coded as BNLD, then BRING will be coded as

Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 1

Here

Then

Science Olympiad Test: Coding & Decoding - Question 2
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In a certain code 3456 is coded as ROPE, 15526 is coded as APPLE. then 54613 will be coded as–

Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 2

Given

then Direct substitution
5 → P 4 → O 6 → E 1 → A 3 → R
Hence 54613 → POEAR

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Science Olympiad Test: Coding & Decoding - Question 3
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In a certain language POPULAR is coded as QPQVMBS. which word will be coded as GBNPVT?

Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 3


Similarly

Science Olympiad Test: Coding & Decoding - Question 4
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In a certain code AFFAIR is FAAFRI then SOLDER will be coded as
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 4


Similarly,

Science Olympiad Test: Coding & Decoding - Question 5
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If EAT is 26, ZEAL is 44 and AROMA is 48. How is HELMET written in this language?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 5

EAT → E = 5, A = 1, T = 20
5 + 1 + 20 = 26
ZEAL → Z = 26, E = 5, A = 1, L = 12
26 + 5 + 1 + 12 = 44
AROMA → A =1, R = 18, O = 15, M = 13, A = 1
1 + 18 + 15 + 13 + 1 = 48
HELMET → H = 8, E = 5, L = 12, M = 13, E = 5, T = 20
8 + 5 + 12 + 13 + 5 + 20 = 63

Science Olympiad Test: Coding & Decoding - Question 6
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In a certain language the word REJECT is written as SGMIHZ. How will the word ACCEPT be written in that language?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 6

Here

Similarly,

Science Olympiad Test: Coding & Decoding - Question 7
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If FAIR is written as IENX then TAPE will be written as
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 7

Given

then

Science Olympiad Test: Coding & Decoding - Question 8
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SIMPLE is coded as PSTXOM, DIRECT is coded as LSQMRC. Which word is coded as LQSXP?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 8

Given

and

then

Science Olympiad Test: Coding & Decoding - Question 9
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DELHI is coded as WVOSR, choose the right code for LNVTZ.
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 9

The code is that A is substituted by Z, B is substituted by Y, C is substituted by X and so on. (This is also known as mirror coding.)
A B C D E F ..... U V W X Y Z.
Z Y X W V U ..... F E D C B A.
By applying this topic,
LNVTZ ⇒ OMEGA

Science Olympiad Test: Coding & Decoding - Question 10
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If CAT = 48, Z = 52, then TEA = ?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 10

Given
CAT → 3 + 1 + 20 = 24 × 2 = 48
Z = 26 → 26 × 2 = 52
Similarly
TEA → 20 + 5 + 1 = 26 × 2 = 52

Science Olympiad Test: Coding & Decoding - Question 11
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VISHAL is coded as 22102111517 then what will be the code for ROHIT?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 11

We have

Similarly,

Value in alphabet series

Science Olympiad Test: Coding & Decoding - Question 12
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In a certain code language 123 means ‘bright little boy’. 145 means ‘tall big boy’, 637 means ‘beautiful little flower’, which digit in that language means ‘bright’?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 12

Given
123 – bright little boy
145 – tall big boy
637 – beautiful little flower
∴ 1 → boy
3 → little
2 → bright

Science Olympiad Test: Coding & Decoding - Question 13
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If DELHI is coded as 73541, CALCUTTA is coded as 82589662. How can CALICUT be written?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 13

Here

and

then

Science Olympiad Test: Coding & Decoding - Question 14
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In a code language if TEA is coded as FLD and SUGAR is coded as ZNMDB. How would you code GREAT in the same code language?
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 14

Given

and

Hence

Science Olympiad Test: Coding & Decoding - Question 15
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In a certain code, ELEPHANT is coded as TNPEAHLE. The CROCODIL will be coded as..
Detailed Solution for Science Olympiad Test: Coding & Decoding - Question 15

Here

Similarly

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