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Class 5 Exam  >  Class 5 Tests  >  National Cyber Olympiad Class 5  >  Olympiad Test: Mathematical Operations - 2 - Class 5 MCQ

Olympiad Test: Mathematical Operations - 2 - Class 5 MCQ


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10 Questions MCQ Test National Cyber Olympiad Class 5 - Olympiad Test: Mathematical Operations - 2

Olympiad Test: Mathematical Operations - 2 for Class 5 2024 is part of National Cyber Olympiad Class 5 preparation. The Olympiad Test: Mathematical Operations - 2 questions and answers have been prepared according to the Class 5 exam syllabus.The Olympiad Test: Mathematical Operations - 2 MCQs are made for Class 5 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Mathematical Operations - 2 below.
Solutions of Olympiad Test: Mathematical Operations - 2 questions in English are available as part of our National Cyber Olympiad Class 5 for Class 5 & Olympiad Test: Mathematical Operations - 2 solutions in Hindi for National Cyber Olympiad Class 5 course. Download more important topics, notes, lectures and mock test series for Class 5 Exam by signing up for free. Attempt Olympiad Test: Mathematical Operations - 2 | 10 questions in 15 minutes | Mock test for Class 5 preparation | Free important questions MCQ to study National Cyber Olympiad Class 5 for Class 5 Exam | Download free PDF with solutions
Olympiad Test: Mathematical Operations - 2 - Question 1
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In a certain code, m stands for ′÷′, n stands for ′−′,p stands for ′×′, b stands for'+', then the value of 16 p 4 b 28 m 7 n 8 is

Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 1

Given the new symbol notations:

  • m stands for '÷'
  • n stands for '−'
  • p stands for '×'
  • b stands for '+'

We need to evaluate the expression 16 p 4 b 28 m 7 n 8 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • p becomes '×'
  • b becomes '+'
  • m becomes '÷'
  • n becomes '−'

So, the expression 16 p 4 b 28 m 7 n 8 becomes: 16 × 4 + 28 ÷ 7 − 8

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, do the multiplication and division from left to right:
    • 16 × 4 = 64
    • 28 ÷ 7 = 4

So, the expression becomes: 64 + 4 − 8

  • Now, perform the addition and subtraction from left to right:
    • 64 + 4 = 68
    • 68 − 8 = 60

Step 3: Final answer: The value of the expression is 60.

Olympiad Test: Mathematical Operations - 2 - Question 2
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lf'+' denotes 'multiplication', ′×′denotes 'subtraction',′÷′, denotes 'addition', and ′−′, denotes 'division', then 175 − 25 ÷ 5 + 20 × 3 + 10 =?

Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 2

Given the new symbol notations:

  • '+' denotes 'multiplication'
  • '×' denotes 'subtraction'
  • '÷' denotes 'addition'
  • '−' denotes 'division'

We need to evaluate the expression 175 − 25 ÷ 5 + 20 × 3 + 10 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • '−' becomes division (i.e., '÷')
  • '÷' becomes addition (i.e., '+')
  • '+' becomes multiplication (i.e., '×')
  • '×' becomes subtraction (i.e., '−')

So, the expression 175 − 25 ÷ 5 + 20 × 3 + 10 becomes: 175 ÷ 25 + 5 × 20 − 3 × 10

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, do the division and multiplication from left to right:
    • 175 ÷ 25 = 7
    • 5 × 20 = 100
    • 3 × 10 = 30

So, the expression becomes: 7 + 100 − 30

  • Now, perform the addition and subtraction from left to right:
    • 7 + 100 = 107
    • 107 − 30 = 77

Final answer: The value of the expression is 77.

So, the correct option is C: 77.

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Olympiad Test: Mathematical Operations - 2 - Question 3
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If + means ÷, × means +, - means ×, and ÷ means -, then what will be the value of 18 × 44 + 11 × 3 - 2?

Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 3

Given the new symbol notations:

  • + means division (÷)
  • × means addition (+)
  • - means multiplication (×)
  • ÷ means subtraction (−)

We need to evaluate the expression 18 × 44 + 11 × 3 - 2 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • × becomes '+'
  • + becomes '÷'
  • - becomes '×'
  • ÷ becomes '−'

So, the expression 18 × 44 + 11 × 3 - 2 becomes: 18 + 44 ÷ 11 + 3 × 2

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, do the division and multiplication from left to right:
    • 44 ÷ 11 = 4
    • 3 × 2 = 6

So, the expression becomes: 18 + 4 + 6

  • Now, perform the addition from left to right:
    • 18 + 4 = 22
    • 22 + 6 = 28

Final answer: The value of the expression is 28.

So, the correct option is D: 28.

Olympiad Test: Mathematical Operations - 2 - Question 4
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If 'p' denotes ′÷′, 'q' denotes'+', 'r' denotes′−′ and 't' denotes ′×′ then 11 q 15 r 8 p 4 t 5=?
Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 4

Given the new symbol notations:

  • p denotes '÷'
  • q denotes '+'
  • r denotes '−'
  • t denotes '×'

We need to evaluate the expression 11 q 15 r 8 p 4 t 5 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • q becomes '+'
  • r becomes '−'
  • p becomes '÷'
  • t becomes '×'

So, the expression 11 q 15 r 8 p 4 t 5 becomes: 11 + 15 − 8 ÷ 4 × 5

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, do the division and multiplication from left to right:
    • 8 ÷ 4 = 2
    • 2 × 5 = 10

So, the expression becomes: 11 + 15 − 10

  • Now, perform the addition and subtraction from left to right:
    • 11 + 15 = 26
    • 26 − 10 = 16

Final answer: The value of the expression is 16.

So, the correct option is D: 16.

Olympiad Test: Mathematical Operations - 2 - Question 5
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If P means ÷, Q means ×, R means - and S means +, then what will be the result of 175 P 25 S 8 Q 2 R 20?
Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 5

Given the new symbol notations:

  • P means '÷'
  • Q means '×'
  • R means '−'
  • S means '+'

We need to evaluate the expression 175 P 25 S 8 Q 2 R 20 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • P becomes '÷'
  • Q becomes '×'
  • R becomes '−'
  • S becomes '+'

So, the expression 175 P 25 S 8 Q 2 R 20 becomes: 175 ÷ 25 + 8 × 2 − 20

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, perform division and multiplication from left to right:
    • 175 ÷ 25 = 7
    • 8 × 2 = 16

So, the expression becomes: 7 + 16 − 20

  • Now, perform addition and subtraction from left to right:
    • 7 + 16 = 23
    • 23 − 20 = 3

Final answer: The value of the expression is 3.

So, the correct option is B: 3.

Olympiad Test: Mathematical Operations - 2 - Question 6
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If E means ×, F means ÷, G means -, and H means +, then what will be the value of 8 F 8 H 8 E 8 G 8?
Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 6

Given the new symbol notations:

  • E means '×'
  • F means '÷'
  • G means '−'
  • H means '+'

We need to evaluate the expression 8 F 8 H 8 E 8 G 8 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • F becomes '÷'
  • H becomes '+'
  • E becomes '×'
  • G becomes '−'

So, the expression 8 F 8 H 8 E 8 G 8 becomes: 8 ÷ 8 + 8 × 8 − 8

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, perform division and multiplication from left to right:
    • 8 ÷ 8 = 1
    • 8 × 8 = 64

So, the expression becomes: 1 + 64 − 8

  • Now, perform addition and subtraction from left to right:
    • 1 + 64 = 65
    • 65 − 8 = 57

Final answer: The value of the expression is 57.

So, the correct option is D: 57.

Olympiad Test: Mathematical Operations - 2 - Question 7
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If A stands for'+? B stands for′−′, C stands for′×′and D stands for′÷′, then 5 C 5 D 5 A 5 B  5=?
Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 7

Given the new symbol notations:

  • A stands for '+'
  • B stands for '−'
  • C stands for '×'
  • D stands for '÷'

We need to evaluate the expression 5 C 5 D 5 A 5 B 5 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • C becomes '×'
  • D becomes '÷'
  • A becomes '+'
  • B becomes '−'

So, the expression 5 C 5 D 5 A 5 B 5 becomes: 5 × 5 ÷ 5 + 5 − 5

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, do the multiplication and division from left to right:
    • 5 × 5 = 25
    • 25 ÷ 5 = 5

So, the expression becomes: 5 + 5 − 5

  • Now, perform the addition and subtraction from left to right:
    • 5 + 5 = 10
    • 10 − 5 = 5

Final answer: The value of the expression is 5.

So, the correct option is B: 5.

Olympiad Test: Mathematical Operations - 2 - Question 8
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If A means +, D means ÷, M means × and S means -, then what will be the value of 8 M 4 A 18 D 6 S 3?
Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 8

Given the new symbol notations:

  • A means '+'
  • D means '÷'
  • M means '×'
  • S means '−'

We need to evaluate the expression 8 M 4 A 18 D 6 S 3 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • M becomes '×'
  • A becomes '+'
  • D becomes '÷'
  • S becomes '−'

So, the expression 8 M 4 A 18 D 6 S 3 becomes: 8 × 4 + 18 ÷ 6 − 3

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, perform multiplication and division from left to right:
    • 8 × 4 = 32
    • 18 ÷ 6 = 3

So, the expression becomes: 32 + 3 − 3

  • Now, perform addition and subtraction from left to right:
    • 32 + 3 = 35
    • 35 − 3 = 32

Final answer: The value of the expression is 32.

So, the correct option is D: 32.

Olympiad Test: Mathematical Operations - 2 - Question 9
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If'+' is called 'subtraction?,′−′is called 'multiplication ′÷′, is called 'addition' and ′×′ is called 'division: then 9×3÷4−1+2=?
Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 9

Given the new symbol notations:

  • '+' is called 'subtraction' (−)
  • '−' is called 'multiplication' (×)
  • '÷' is called 'addition' (+)
  • '×' is called 'division' (÷)

We need to evaluate the expression 9 × 3 ÷ 4 − 1 + 2 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • '×' becomes 'division' (÷)
  • '÷' becomes 'addition' (+)
  • '−' becomes 'multiplication' (×)
  • '+' becomes 'subtraction' (−)

So, the expression 9 × 3 ÷ 4 − 1 + 2 becomes: 9 ÷ 3 + 4 × 1 − 2

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, do the division and multiplication from left to right:
    • 9 ÷ 3 = 3
    • 4 × 1 = 4

So, the expression becomes: 3 + 4 − 2

  • Now, perform the addition and subtraction from left to right:
    • 3 + 4 = 7
    • 7 − 2 = 5

Final answer: The value of the expression is 5.

So, the correct option is A: 5.

Olympiad Test: Mathematical Operations - 2 - Question 10
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If E means ×, F means ÷, G means – and H means +, then what will be the value of 4 H 42 F 14 E 5 G 9?
Detailed Solution for Olympiad Test: Mathematical Operations - 2 - Question 10

Given the new symbol notations:

  • E means '×'
  • F means '÷'
  • G means '−'
  • H means '+'

We need to evaluate the expression 4 H 42 F 14 E 5 G 9 using the new notation.

Step 1: Replace the symbols as per the new notation.

  • H becomes '+'
  • F becomes '÷'
  • E becomes '×'
  • G becomes '−'

So, the expression 4 H 42 F 14 E 5 G 9 becomes: 4 + 42 ÷ 14 × 5 − 9

Step 2: Simplify the expression following the order of operations (BODMAS/BIDMAS).

  • First, perform division and multiplication from left to right:
    • 42 ÷ 14 = 3
    • 3 × 5 = 15

So, the expression becomes: 4 + 15 − 9

  • Now, perform addition and subtraction from left to right:
    • 4 + 15 = 19
    • 19 − 9 = 10

Final answer: The value of the expression is 10.

So, the correct option is D: 10.

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