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Math Olympiad Test: Coding & Decoding - Class 10 MCQ


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

Math Olympiad Test: Coding & Decoding for Class 10 2024 is part of Class 10 preparation. The Math Olympiad Test: Coding & Decoding questions and answers have been prepared according to the Class 10 exam syllabus.The Math 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 Math Olympiad Test: Coding & Decoding below.
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Math Olympiad Test: Coding & Decoding - Question 1

If COME is coded as BNLD, then BRING will be coded as

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

Here

Then

Math Olympiad Test: Coding & Decoding - Question 2

In a certain code 3456 is coded as ROPE, 15526 is coded as APPLE. then 54613 will be coded as–

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

In a certain language POPULAR is coded as QPQVMBS. which word will be coded as GBNPVT?

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


Similarly

 

Math Olympiad Test: Coding & Decoding - Question 4

In a certain code AFFAIR is FAAFRI then SOLDER will be coded as

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 4


Similarly,

Math Olympiad Test: Coding & Decoding - Question 5

If EAT is 26, ZEAL is 44 and AROMA is 48. How is HELMET written in this language?

Detailed Solution for Math 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

Math Olympiad Test: Coding & Decoding - Question 6

In a certain language the word REJECT is written as SGMIHZ. How will the word ACCEPT be written in that language?

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 6

Here

Similarly,

Math Olympiad Test: Coding & Decoding - Question 7

If FAIR is written as IENX then TAPE will be written as

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 7

Given

then

Math Olympiad Test: Coding & Decoding - Question 8

SIMPLE is coded as PSTXOM, DIRECT is coded as LSQMRC. Which word is coded as LQSXP?

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 8

Given

and

then

Math Olympiad Test: Coding & Decoding - Question 9

DELHI is coded as WVOSR, choose the right code for LNVTZ.

Detailed Solution for Math 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

Math Olympiad Test: Coding & Decoding - Question 10

If CAT = 48, Z = 52, then TEA = ?

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 10

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

Math Olympiad Test: Coding & Decoding - Question 11

In a certain language WINTER is coded as VHMSDQ then how will SUMMER be coded in the same language?

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 11

Here

Similarly

Math Olympiad Test: Coding & Decoding - Question 12

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 Math Olympiad Test: Coding & Decoding - Question 12

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

Math Olympiad Test: Coding & Decoding - Question 13

In a certain code, ELEPHANT is coded as TNPEAHLE. The CROCODIL will be coded as..

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 13

Here

Similarly

Math Olympiad Test: Coding & Decoding - Question 14

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 Math Olympiad Test: Coding & Decoding - Question 14

Given

and

Here

Math Olympiad Test: Coding & Decoding - Question 15

In a certain language SIMPLE is written as ISPMEL and CHAPTER is written as HCPARET then LFWORE stands for which word?

Detailed Solution for Math Olympiad Test: Coding & Decoding - Question 15

Given

and

Hence

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