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Olympiad Test Level 1: Coding-Decoding - Class 3 MCQ


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15 Questions MCQ Test Science Olympiad for Class 3 - Olympiad Test Level 1: Coding-Decoding

Olympiad Test Level 1: Coding-Decoding for Class 3 2024 is part of Science Olympiad for Class 3 preparation. The Olympiad Test Level 1: Coding-Decoding questions and answers have been prepared according to the Class 3 exam syllabus.The Olympiad Test Level 1: Coding-Decoding MCQs are made for Class 3 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test Level 1: Coding-Decoding below.
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Olympiad Test Level 1: Coding-Decoding - Question 1

If white is called blue, blue is called red, red is called yellow, yellow is called green, what would be the colour of human blood?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 1

The colour of human blood is red. But here, red is called yellow.

Olympiad Test Level 1: Coding-Decoding - Question 2

If pen is called butter, butter is called soap, soap is called ink, ink is called honey, which of the following is used for washing clothes?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 2

Soap is used for washing clothes. But here, soap is called ink.

Olympiad Test Level 1: Coding-Decoding - Question 3

Direction: Study the table and answer the following questions. 
 

What is the code of  

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 3

The code for  is B The code for  is F Hence, BF is the correct answer.

Olympiad Test Level 1: Coding-Decoding - Question 4

If 'RAJU' is coded as 4 - 3 - 2 - 6 and 'JUNK' is coded as 1 - 6 - 5 - 8, then how will you code 'RANK'?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 4

We have

Similarly 

Here, each letter is assigned a specific code.

Olympiad Test Level 1: Coding-Decoding - Question 5

If air is called green, green is called blue, blue is called sky, sky is called yellow, then what is the colour of clear sky?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 5

The colour of clear sky is 'blue' and blue is called 'sky'. So, the colour of clear sky is 'sky'.

Olympiad Test Level 1: Coding-Decoding - Question 6

If sky is called sea, sea is called water, water is called air and air is called cloud, then what do we drink when thirsty?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 6

We drink 'water' when thirsty and as given, 'water' is called 'air'. Hence, we drink air when thirsty.

Olympiad Test Level 1: Coding-Decoding - Question 7

Direction: Study the table and answer the following questions.

Find the code for 'CHALK'.

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 7

The word' CHALK' is decoded as:

Olympiad Test Level 1: Coding-Decoding - Question 8

If train is called bus, bus is called tractor, tractor is called car, car is called scooter, which is used to plough a field?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 8

A tractor is used to plough field, but here a 'tractor' is called 'car'. So, a car is used to plough a field.

Olympiad Test Level 1: Coding-Decoding - Question 9

If room is called bed, bed is called window, window is called flower and flower is called cooler, on what would a man sleep?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 9

A man sleeps on a 'bed' and as given, 'bed' is called window'. So, a man would sleep on a window.

Olympiad Test Level 1: Coding-Decoding - Question 10

if then what is the code for the given figures?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 10

The code for given figures is: 

Olympiad Test Level 1: Coding-Decoding - Question 11

If in a certain code 'POND' is written as 'OPDN' then in the same code how 'PARK is written?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 11

Olympiad Test Level 1: Coding-Decoding - Question 12

If PALE is coded as 2134, EARTH is coded as 41590, how can PEARL be coded in that language?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 12

Letters are coded as:

So, PEARL is coded as 24153

Olympiad Test Level 1: Coding-Decoding - Question 13

If eraser is called box, box is called pencil, pencil is called sharpener and sharpener is called bag, what will a child write with?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 13

Child writes with a pencil. Here, the code for pencil is sharpener.

Olympiad Test Level 1: Coding-Decoding - Question 14

If cloud is called white, white is called rain, rain is called green, green is called air, air is called blue and blue is called water, where will the birds fly?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 14

Clearly, the birds fly in the 'air' and 'air' is called 'blue'. So, the birds fly in the 'blue'.

Olympiad Test Level 1: Coding-Decoding - Question 15

If book is called watch, watch is called bag, bag is called bottle and bottle is called window. Which is used to carry the books?

Detailed Solution for Olympiad Test Level 1: Coding-Decoding - Question 15

Leaves of desert plants can be modified into thorns but sunlight means thorns.

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