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CBSE Class 6  >  Class 6 Test  >  Science Olympiad   >  Olympiad Test: Mathematical Operations - 2 - Class 6 MCQ

Olympiad Test: Mathematical Operations - 2 - Class 6 MCQ


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10 Questions MCQ Test Science Olympiad Class 6 - Olympiad Test: Mathematical Operations - 2

Olympiad Test: Mathematical Operations - 2 for Class 6 2026 is part of Science Olympiad Class 6 preparation. The Olympiad Test: Mathematical Operations - 2 questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Mathematical Operations - 2 MCQs are made for Class 6 2026 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 Science Olympiad Class 6 for Class 6 & Olympiad Test: Mathematical Operations - 2 solutions in Hindi for Science Olympiad Class 6 course. Download more important topics, notes, lectures and mock test series for Class 6 Exam by signing up for free. Attempt Olympiad Test: Mathematical Operations - 2 | 10 questions in 15 minutes | Mock test for Class 6 preparation | Free important questions MCQ to study Science Olympiad Class 6 for Class 6 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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