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

Math Olympiad Test: Mathematical Operations - Class 10 MCQ


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15 Questions MCQ Test - Math Olympiad Test: Mathematical Operations

Math Olympiad Test: Mathematical Operations for Class 10 2024 is part of Class 10 preparation. The Math Olympiad Test: Mathematical Operations questions and answers have been prepared according to the Class 10 exam syllabus.The Math 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 Math Olympiad Test: Mathematical Operations below.
Solutions of Math Olympiad Test: Mathematical Operations questions in English are available as part of our course for Class 10 & Math 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 Math 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
Math Olympiad Test: Mathematical Operations - Question 1
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If A Stands for +, B stands for -, C stands for ×, then what is the value of (10C4)A(4C4)B6?

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

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

Math Olympiad Test: Mathematical Operations - Question 2
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If L  denotes ×, M denotes ÷, P denotes + and Q denotes -, then 8P36M6Q6M2L3 =?

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

Here 8 P 36 M 6 Q 6 M 2 L 3
= 8 + 36 ÷ 6 - 6 ÷ 2 × 3
= 8 + 6 - 3 × 3
= 8 + 6 - 9
= 14 - 9
= 5

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Math Olympiad Test: Mathematical Operations - Question 3
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If R denotes +, S denotes -, P denotes ÷ and Q denotes ×, then what is the value of 18Q12P4R5S6?

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

18 Q 12 P 4 R 5 S 6
= 18 × 12 ÷ 4 + 5 - 6
= 18 × 3 + 5 - 6
= 54 + 5 - 6 = 53

Math Olympiad Test: Mathematical Operations - Question 4
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If 3 + 8 = 17, 5 - 2 = 23, 6 × 2 = 72, then 8 ÷ 4 =?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 4

3 + 8  = 17 ⇒ a2 + b = 32 + 8 = 17
5 - 2  = 23 ⇒ a2 - b = 52 - 2 = 23

Math Olympiad Test: Mathematical Operations - Question 5
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If +  means minus, × means divided by, ÷ means plus, × means multiplied by, then which of the following will be the value of expression 252 × 9 - 5 + 32 ÷ 92?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 5

252 × 9 - 5 + 32 ÷ 92
= 252 ÷ 9 × 5 - 32 + 92
= 28 × 5 - 32 + 92
= 140 - 32 + 92 = 232 - 32 = 200

Math Olympiad Test: Mathematical Operations - Question 6
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If P means ×, R means +, T means ÷ and S means -, then 18T3P9S8R6 =?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 6

18 T 3 P 9 S 8 R 6
= 18 ÷ 3 × 9 - 8 + 6
= 6 × 9 - 8 + 6
= 54 - 8 + 6 = 52

Math Olympiad Test: Mathematical Operations - Question 7
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Direction: In the following question, different alphabet stands for various symbols as indicated below:
Addition: O,Subtraction: M, Multiplication : A
Division: Q, Equal to : X, Greater than : Y,
Less than: Z
Out of the four alternatives, only one is correct identify the correct alternative.
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 7

(a) 8 + 2 × 12 ÷ 10 = 18 ÷ 9
8 + 2  × 12 = 2
(b) 2 + 3 - 4 ÷ 2 < 1 × 2
2 + 3  - 2 < 2
(c) 8 ÷ 4 × 1 - 2 = 16 - 16
2 × 1  - 2 = 0 ÷ 0 = 0
(d) 6 ÷ 2 + 1 + 1 = 16 × 1
3 + 1  + 1 = 16
Hence only (c) is correct.

Math Olympiad Test: Mathematical Operations - Question 8
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Direction: In the following question the given equation becomes correct due to interchange of two signs. Find the correct alternative so that the equation becomes correct.
12 ÷  2 - 6 × 3 + 8 = 16
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 8

(a) 12 + 2 - 6 × 3 ÷ 8 ≠ 16
(b) 12 ÷ 2 + 6 × 3 - 8
6 + 1 8 - 8 = 16
∴ (b) is correct.

Math Olympiad Test: Mathematical Operations - Question 9
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Direction: In each of the following question the given equation becomes correct due to interchange of two signs. Find the correct alternative so that the equation becomes correct.
10 +  10 ÷ 10 × 10 = 10
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 9

10 + 10 ÷ 10 - 10 × 10 = 10
(a) 10 - 10 ÷ 10 + 10 × 10 = 10 - 1 + 100 ≠ 10
(b) 10 ÷ 10 + 10 - 10 × 10 = 10
1 +  10 - 100 ≠ 10
(c) 10 × 10 ÷ 10 - 10 + 10 = 10
10 × 1 - 10 + 10 = 10
10 =  10
∴ (c) is correct.

Math Olympiad Test: Mathematical Operations - Question 10
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Direction: In each of the following question the given equation becomes correct due to interchange of two signs. Find the correct alternative so that the equation becomes correct.
2 ×  3 + 6 - 12 ÷ 4 = 17
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 10

2 + 3 × 6 - 12 ÷ 4 = 17
2 + 3  × 6 - 3 = 2 + 18 - 3 = 17

Math Olympiad Test: Mathematical Operations - Question 11
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Direction: In the following questions, three statements of numbers following some rules are given. Find the rule and accordingly find the value of the number.

If 3 + 5 = 16; 7 + 9 = 64; 10 + 12 = 121 then 11 + 3 =?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 11

3 + 5 = 3 × 5 + 1 = 16
11 + 3  = 11 × 3 + 1 = 34

Math Olympiad Test: Mathematical Operations - Question 12
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Direction: In the following questions, three statements of numbers following some rules are given. Find the rule and accordingly find the value of the number.

If 3 × 4 = 14; 5 × 6 = 33; 7 × 8 = 60 then 8 × 9 =?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 12

3 × 4 = 3 × 4 + 2 = 14 in first example
5 × 6 = 5 × 6 + 3 = 33 in second example
7 × 8 = 7 × 8 + 4 = 60 in third example
Therefore,
8 × 9 = 8 × 9 + 5 = 77 in fourth

Math Olympiad Test: Mathematical Operations - Question 13
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Direction: In the following questions, three statements of numbers following some rules are given. Find the rule and accordingly find the value of the number.

3 + 9 = 31; 15 + 12 = 45; 18 + 9 = 36 then 12 + 27 =?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 13

3 + 9


Math Olympiad Test: Mathematical Operations - Question 14
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Direction: In each of the following questions, three statements of numbers following some rules are given. Find the rule and accordingly find the value of the number.

If 20 - 10 means 200, 8/4 means 12, 6 - 2 means 4, then 100 - 10 x 1000/1000 + 100 x 10 =?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 14

Given 20 - 10 = 200
but 20 × 10 = 200; - stands for ×.
Given 8 ÷ 4 = 12 but 8 + 4 = 12
∴ ÷ stands for +
Given 6 × 2 = 4 but 6 - 2 = 4
∴ × stands for -
Given expression
= 100 - 10 × 1000 ÷ 1000 + 100 × 10
= 100 × 10 - 1000 + 1000 ÷ 100 - 10
= 1000 - 1000 + 1000 ÷ 100 - 10
=1000 - 1000 + 10 - 10
= 0 + 0 = 0

Math Olympiad Test: Mathematical Operations - Question 15
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Direction: In each of the following questions, three statements of numbers following some rules are given. Find the rule and accordingly find the value of the number.

If + means -, - means ×, ÷ means + and + means ÷ then (3 - 5 ÷ 19) × 8 + 6 =?
Detailed Solution for Math Olympiad Test: Mathematical Operations - Question 15

Using correct symbols, we have
(3 × 15 + 19) ÷ 8 - 6
= (45 + 19) ÷ 8 - 6
= 64 ÷ 8 - 6 = 8 - 6 = 2

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