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CBSE Class 6  >  Class 6 Test  >  Science Olympiad   >  Olympiad Test: Mathematical Operations - 1 - Class 6 MCQ

Olympiad Test: Mathematical Operations - 1 - Class 6 MCQ


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10 Questions MCQ Test Science Olympiad Class 6 - Olympiad Test: Mathematical Operations - 1

Olympiad Test: Mathematical Operations - 1 for Class 6 2026 is part of Science Olympiad Class 6 preparation. The Olympiad Test: Mathematical Operations - 1 questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Mathematical Operations - 1 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 - 1 below.
Solutions of Olympiad Test: Mathematical Operations - 1 questions in English are available as part of our Science Olympiad Class 6 for Class 6 & Olympiad Test: Mathematical Operations - 1 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 - 1 | 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 - 1 - Question 1
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If 'Q' stands for' added to; 'J' stands for 'multiplied by; T stands for' subtraction 'and 'P? stands for 'divided by' then 3 0 P 2 Q 3 J 6 T  5=?

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

Let's substitute the symbols with the actual mathematical operations:

P stands for division (÷)
Q stands for addition (+)
J stands for multiplication (×)
T stands for subtraction (−)

The expression is:

3 0 P 2 Q 3 J 6 T 53 

Now, substitute the symbols:

3 0 ÷ 2 + 3 × 6 − 5

Step-by-step:

    0 ÷ 2 = 0
    3 × 6 = 18
    0 + 18 − 5 = 28

So, the final answer is 28.

Answer: Option B: 28

Olympiad Test: Mathematical Operations - 1 - Question 2
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If P = 6, J = 4, L = 8 and M = 24, then M ÷ L × J + P=?

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

Let's substitute the given values into the expression:

Given:

P = 6
J = 4
L = 8
M = 24

The expression is:
M ÷ L × J + P

Substitute the values:
24 ÷ 8 × 4 + 6

Now, follow the order of operations (PEMDAS/BODMAS):

    4 ÷ 8 = 32
    3 × 4 = 12
    12 + 6 = 18

So, the final result is 18.

Answer: Option D: 18

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Olympiad Test: Mathematical Operations - 1 - Question 3
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If '+', denotes '-', '−', denotes '+', '÷', denotes '×', and '×' denotes '÷', then what is the value of 3 ÷ 4 × 2 − 1 + 5?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 3

Given the new symbol notations:

'+' denotes '-'
'−' denotes '+'
'÷' denotes '×'
'×' denotes '÷'

We need to evaluate the expression 3 ÷ 4 × 2 − 1 + 5 using the new notation.

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

'÷' becomes '×'
'×' becomes '÷'
'−' becomes '+'
'+' becomes '−'

So, the expression 3 ÷ 4 × 2 − 1 + 5 becomes: 3 × 4 ÷ 2 + 1 − 5

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

First, do the multiplication and division from left to right:
3 × 4 = 12
12 ÷ 2 = 6

So, the expression becomes: 6 + 1 − 5

Now, perform the addition and subtraction from left to right:
6 + 1 = 7
7 − 5 = 2

Step 3: Final answer: The value of the expression is 2.

Olympiad Test: Mathematical Operations - 1 - Question 4
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If '+' denotes '×', '×' denotes '+', '−' denotes '÷', and '÷' denotes '−', then 5 + 3 × 2 − 10 ÷ 5=?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 4

Given the new symbol notations:

'+' denotes '×'
'×' denotes '+'
'−' denotes '÷'
'÷' denotes '−'

We need to evaluate the expression 5 + 3 × 2 − 10 ÷ 5 using the new notation.

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

'+' becomes '×'
'×' becomes '+'
'−' becomes '÷'
'÷' becomes '−'

So, the expression 5 + 3 × 2 − 10 ÷ 5 becomes: 5 × 3 + 2 ÷ 10 − 5

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

First, do the multiplication and division from left to right:
5 × 3 = 15
2 ÷ 10 = 0.2

So, the expression becomes: 15 + 0.2 − 5

Now, perform the addition and subtraction from left to right:
15 + 0.2 = 15.2
15.2 − 5 = 10.2

Step 3: Final answer: The value of the expression is 10.2

Olympiad Test: Mathematical Operations - 1 - Question 5
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If '+', denotes '×', '−' denotes '÷', '×', denotes '−', and '÷', denotes '+', then find the value of 2 + 15 ÷ 15 − 3 × 8?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 5

Given the new symbol notations:

'+' denotes '×'
'−' denotes '÷'
'×' denotes '−'
'÷' denotes '+'

We need to evaluate the expression 2 + 15 ÷ 15 − 3 × 8 using the new notation.

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

'+' becomes '×'
'−' becomes '÷'
'×' becomes '−'
'÷' becomes '+'

So, the expression 2 + 15 ÷ 15 − 3 × 8 becomes: 2 × 15 + 15 ÷ 3 − 8

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

First, do the multiplication and division from left to right:
2 × 15 = 30
15 ÷ 3 = 5

So, the expression becomes: 30 + 5 − 8

Now, perform the addition and subtraction from left to right:
30 + 5 = 35
35 − 8 = 27

Step 3: Final answer: The value of the expression is 27.

Olympiad Test: Mathematical Operations - 1 - Question 6
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If'+' denotes ′×′′−′ denotes ′÷′′×′denotes − and ′÷′denotes +, then 16 ÷ 64 − 8 × 4 + 2 =?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 6

Given the new symbol notations:

'+' denotes '×'
'−' denotes '÷'
'×' denotes '−'
'÷' denotes '+'

We need to evaluate the expression 16 ÷ 64 − 8 × 4 + 2 using the new notation.

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

'+' becomes '×'
'−' becomes '÷'
'×' becomes '−'
'÷' becomes '+'

So, the expression 16 ÷ 64 − 8 × 4 + 2 becomes: 16 + 64 ÷ 8 − 4 × 2

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

First, do the division and multiplication from left to right:
64 ÷ 8 = 8
4 × 2 = 8

So, the expression becomes: 16 + 8 − 8

Now, perform the addition and subtraction from left to right:
16 + 8 = 24
24 − 8 = 16

Step 3: Final answer: The value of the expression is 16.

Olympiad Test: Mathematical Operations - 1 - Question 7
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If $ denotes +, # denotes −, @ denotes × and * denotes ÷, then what is the value of 16 $ 4 @ 5 #72*8?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 7

Given the new symbol notations:

'$' denotes '+'
'#' denotes '−'
'@' denotes '×'
'*' denotes '÷'

We need to evaluate the expression 16 $ 4 @ 5 # 72 * 8 using the new notation.

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

'$' becomes '+'
'#' becomes '−'
'@' becomes '×'
'*' becomes '÷'

So, the expression 16 $ 4 @ 5 # 72 * 8 becomes: 16 + 4 × 5 − 72 ÷ 8

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

First, do the multiplication and division from left to right:
4 × 5 = 20
72 ÷ 8 = 9

So, the expression becomes: 16 + 20 − 9

Now, perform the addition and subtraction from left to right:
16 + 20 = 36
36 − 9 = 27

Step 3: Final answer: The value of the expression is 27.

Olympiad Test: Mathematical Operations - 1 - Question 8
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If P means ÷, Q means -, R means +, and S means ×, then what will be the value of 40 R 30 P 5 Q 4 S 3?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 8

Given the new symbol notations:

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

We need to evaluate the expression 40 R 30 P 5 Q 4 S 3 using the new notation.

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

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

So, the expression 40 R 30 P 5 Q 4 S 3 becomes: 40 + 30 ÷ 5 − 4 × 3

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

First, do the division and multiplication from left to right:
30 ÷ 5 = 6
4 × 3 = 12

So, the expression becomes: 40 + 6 − 12

Now, perform the addition and subtraction from left to right:
40 + 6 = 46
46 − 12 = 34

Step 3: Final answer: The value of the expression is 34.

Olympiad Test: Mathematical Operations - 1 - Question 9
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If P denotes 'multiplied by', Q denotes 'subtraction, M denotes' added to 'and L denotes' divided by; then 28 L 7 P 8 Q 6 M 4=?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 9

Given the new symbol notations:

P denotes 'multiplied by' (i.e., ×)
Q denotes 'subtraction' (i.e., −)
M denotes 'added to' (i.e., +)
L denotes 'divided by' (i.e., ÷)

We need to evaluate the expression 28 L 7 P 8 Q 6 M 4 using the new notation.

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

L becomes '÷'
P becomes '×'
Q becomes '−'
M becomes '+'

So, the expression 28 L 7 P 8 Q 6 M 4 becomes: 28 ÷ 7 × 8 − 6 + 4

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

First, do the division and multiplication from left to right:
28 ÷ 7 = 4
4 × 8 = 32

So, the expression becomes: 32 − 6 + 4

Now, perform the subtraction and addition from left to right:
32 − 6 = 26
26 + 4 = 30

Step 3: Final answer: The value of the expression is 30.

Olympiad Test: Mathematical Operations - 1 - Question 10
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If A means +, B means -, C means ×, and D means ÷, then what will be the value of 16 D 8 A 4 B 8 C 4?

Detailed Solution for Olympiad Test: Mathematical Operations - 1 - Question 10

Given the new symbol notations:

A means '+'
B means '−'
C means '×'
D means '÷'

We need to evaluate the expression 16 D 8 A 4 B 8 C 4 using the new notation.

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

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

So, the expression 16 D 8 A 4 B 8 C 4 becomes: 16 ÷ 8 + 4 − 8 × 4

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

First, do the division and multiplication from left to right:
16 ÷ 8 = 2
8 × 4 = 32

So, the expression becomes: 2 + 4 − 32

Now, perform the addition and subtraction from left to right:
2 + 4 = 6
6 − 32 = −26

Step 3: Final answer: The value of the expression is −26.

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