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Class 10 Exam  >  Class 10 Tests  >  Olympiad Test: Mathematical Operations - Class 10 MCQ

Olympiad Test: Mathematical Operations - Class 10 MCQ


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15 Questions MCQ Test - Olympiad Test: Mathematical Operations

Olympiad Test: Mathematical Operations for Class 10 2024 is part of Class 10 preparation. The Olympiad Test: Mathematical Operations questions and answers have been prepared according to the Class 10 exam syllabus.The Olympiad Test: Mathematical Operations MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Mathematical Operations below.
Solutions of Olympiad Test: Mathematical Operations questions in English are available as part of our course for Class 10 & Olympiad Test: Mathematical Operations solutions in Hindi for Class 10 course. Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free. Attempt Olympiad Test: Mathematical Operations | 15 questions in 15 minutes | Mock test for Class 10 preparation | Free important questions MCQ to study for Class 10 Exam | Download free PDF with solutions
Olympiad Test: Mathematical Operations - Question 1
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If A denotes multiplication, B denotes addition, C denotes division and D denotes subtraction, then what is the value of 14 A 6 B 8 C 2 D 12? 

Detailed Solution for Olympiad Test: Mathematical Operations - Question 1

Here, 14 A 6 B 8 C 2 D 12
= 14 × 6 + 8 ÷ 2 – 12
= 14 × 6 + 4 – 12
= 84 + 4 – 12
= 88 – 12 = 76 

Olympiad Test: Mathematical Operations - Question 2
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If × denotes –; ÷ denotes +, + denotes ÷ and – denotes ×, which one of the following equation is correct? 

Detailed Solution for Olympiad Test: Mathematical Operations - Question 2

(a) 15 – 5 ÷ 5 × 20 + 10 = 6
15 × 5  + 5 – 20 ÷ 10 = 6
15 × 5  + 5 – 2 = 6
78 ≠ 6
(b) 8 ÷ 10 – 3 + 5 × 6 = 8
8 + 10 × 3 ÷ 5 – 6 = 8

8 + 6 – 6 = 8 
8 =  8 
Hence (b) is true.

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Olympiad Test: Mathematical Operations - Question 3
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If P means ×, R means +, T means ÷, S means –, then what is the value of 8 P 4 R 28 T 7 S 15?

Detailed Solution for Olympiad Test: Mathematical Operations - Question 3

Given 8 P 4 R 28 T 7 S 15
= 8 × 4 + 28 ÷ 7 – 15 = 8 × 4 + 4 – 15
= 32 + 4 – 15 = 36 – 15 = 21

Olympiad Test: Mathematical Operations - Question 4
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If numbers 3 and 6 are interchanged and signs – and × are interchanged then which of the following is correct? 
Detailed Solution for Olympiad Test: Mathematical Operations - Question 4

Given 3 × 6 – 4 = 6 – 3 × 4
= 6 – 12 = – 6 ≠ 33
6 × 3  – 4 = 3 – 6 × 4 = 3 – 24 = – 21 ≠ 15
3 – 6 × 8 = 6 × 3 – 8 = 18 – 8 = 10 = 10
∴ (c) is correct.

Olympiad Test: Mathematical Operations - Question 5
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If A stands for +, B stands for –, C stands for ×. Then what is the value of (10 C 4) A (4 C 4) B 6?
Detailed Solution for Olympiad Test: Mathematical Operations - Question 5

We have (10 C 4) A (4 C 4) B 6
= (10 × 4) + (4 × 4) – 6
= 40 + 16 – 6 = 56 – 6 = 50 

Olympiad Test: Mathematical Operations - Question 6
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If A + B = 2C & C + D = 2A then which of the following is correct? 
Detailed Solution for Olympiad Test: Mathematical Operations - Question 6

Here A + B = 2C …(1)
C +  D = 2A …(2)
Adding (1) and (2) 
A + B  + C + D = 2C + 2A 
B + D = C + A

Olympiad Test: Mathematical Operations - Question 7
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If L stands for +, M stands for –, N stands for × and P stands for ÷ then what is the value of 37 N 10 L 65 P 13 M 16? 
Detailed Solution for Olympiad Test: Mathematical Operations - Question 7

Here 37 N 10 L 65 P 13 M 16 
= 37 × 10 + 65 ÷ 13 – 16 
= 37 × 10 + 5 – 16 = 370 + 5 – 16
= 370 – 11 = 359 

Olympiad Test: Mathematical Operations - Question 8
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If P stands for addition, L for division, M for subtraction and Z for multiplication then what is the value of 182 P 117 L 13 M 7 Z 16? 
Detailed Solution for Olympiad Test: Mathematical Operations - Question 8

Here 182 P 117 L 13 M 7 Z 16 
= 182 + 117 ÷ 13 – 7 × 16
= 182 + 9 – 7 × 16
= 182 + 9 – 112 = 70 + 9 = 79

Olympiad Test: Mathematical Operations - Question 9
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If × stands for addition, ‘–’ for division, ÷ for subtraction & ‘+’ for multiplication. Then which of the following statement is correct? 
Detailed Solution for Olympiad Test: Mathematical Operations - Question 9

4 × 5 + 9 – 3 ÷ 4 = 15
= 4 + 5 × 9 ÷ 3 – 4
= 4 + 5 × 3 – 4
= 4 + 15 – 4
= 15 = 15
∴ (d) is correct.

Olympiad Test: Mathematical Operations - Question 10
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If ‘<’ stands for minus, ‘–’ stands for equal to ‘>’ stands for multiplication, ‘÷’ stands for greater than, ‘×’ for addition, ‘+’ stands for division, ‘=’ stands for less than then which of the following statement is correct?
Detailed Solution for Olympiad Test: Mathematical Operations - Question 10

Let 5 > 2 × 1 – 3 > 4 < 1
⇒ 5 × 2 + 1 = 3 × 4 – 1
⇒ 11 = 12 – 1 
⇒ 11 =  11

Olympiad Test: Mathematical Operations - Question 11
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Direction: If > denotes +, + denotes ÷, – denotes =, × denotes > and = denotes <, < denotes – and ↑ denotes × then choose the correct statement in each of the following problems :
Detailed Solution for Olympiad Test: Mathematical Operations - Question 11

Let 35 > 3 < 2 = 4 > 8 ↑ 7
⇒ 35 + 3 – 2 < 4 + 8 × 7
⇒  35 + 1 < 4 + 56
⇒ 36 < 60
∴ (a) is correct.

Olympiad Test: Mathematical Operations - Question 12
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Direction: If > denotes +, + denotes ÷, – denotes =, × denotes > and = denotes <, < denotes – and ↑ denotes × then choose the correct statement in each of the following problems :
Detailed Solution for Olympiad Test: Mathematical Operations - Question 12

Let 4 > 6 + 2 × 32 + 4 < 1
4 + 6  ÷ 2 > 32 ÷ 4 – 1
4 + 3  > 8 – 1 
7 = 7

Olympiad Test: Mathematical Operations - Question 13
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Direction: In these question the different alphabets stand for various arithmetical and logical symbols. We have to choose the correct alternative according to given letter symbols.
Detailed Solution for Olympiad Test: Mathematical Operations - Question 13

Let 5 Y 4 N 3 C 5 N 3 H 11
⇒ 5 < 4 × 3 + 5 × 3 – 11
⇒ 5 < 12 + 15 – 11
⇒ 5 < 16

Olympiad Test: Mathematical Operations - Question 14
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Direction: In these question the different alphabets stand for various arithmetical and logical symbols. We have to choose the correct alternative according to given letter symbols.
Detailed Solution for Olympiad Test: Mathematical Operations - Question 14

Here 6 P 3 C 4 N 3 Y 7 N 3
⇒ 6 ÷ 3 + 4 × 3 < 7 × 3
⇒ 2 + 4 × 3 < 21 
⇒ 2 + 12 < 21
⇒ 14 <  21 

Olympiad Test: Mathematical Operations - Question 15
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Direction: In these question the different alphabets stand for various arithmetical and logical symbols. We have to choose the correct alternative according to given letter symbols.
Detailed Solution for Olympiad Test: Mathematical Operations - Question 15

Here
14 C 13 P 13 N 6 H 5 W 2 C 12 P 3 N 2
⇒ 14 + 13 ÷ 13 × 6 – 5 > 2 + 12 ÷ 3 × 2 
⇒ 14 + 1 × 6 – 5 > 2 + 4 × 2
⇒ 20 – 5 > 2 + 8
⇒ 15 > 10

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