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SSC CGL Exam  >  SSC CGL Tests  >  General Intelligence and Reasoning for SSC CGL  >  MCQ: Mathematical Operations- 2 - SSC CGL MCQ

MCQ: Mathematical Operations- 2 - SSC CGL MCQ


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15 Questions MCQ Test General Intelligence and Reasoning for SSC CGL - MCQ: Mathematical Operations- 2

MCQ: Mathematical Operations- 2 for SSC CGL 2024 is part of General Intelligence and Reasoning for SSC CGL preparation. The MCQ: Mathematical Operations- 2 questions and answers have been prepared according to the SSC CGL exam syllabus.The MCQ: Mathematical Operations- 2 MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for MCQ: Mathematical Operations- 2 below.
Solutions of MCQ: Mathematical Operations- 2 questions in English are available as part of our General Intelligence and Reasoning for SSC CGL for SSC CGL & MCQ: Mathematical Operations- 2 solutions in Hindi for General Intelligence and Reasoning for SSC CGL course. Download more important topics, notes, lectures and mock test series for SSC CGL Exam by signing up for free. Attempt MCQ: Mathematical Operations- 2 | 15 questions in 15 minutes | Mock test for SSC CGL preparation | Free important questions MCQ to study General Intelligence and Reasoning for SSC CGL for SSC CGL Exam | Download free PDF with solutions
MCQ: Mathematical Operations- 2 - Question 1
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Which of the following interchange of sing or numbers would make the given equation correct ?
(18 ÷ 9) + 3 x 5 = 45

Detailed Solution for MCQ: Mathematical Operations- 2 - Question 1

∵ (18 ÷ 9) + 3 x 5 = 45
⇒ (18 + 9) ÷ 3 x 5 = 45
⇒ 27 ÷ 3 x 5 = 45

MCQ: Mathematical Operations- 2 - Question 2
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Which of the following interchange of sing or numbers would make the given equation correct ?
5 + 6 ÷ 3 - 12 x 2 = 17

Detailed Solution for MCQ: Mathematical Operations- 2 - Question 2

Apply all option one by one.
∵ 5 + 6 x 3 - 12 ÷ 2 = 17
⇒ 5 + 18 - 6 = 17 ⇒ 23 - 6 = 17

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MCQ: Mathematical Operations- 2 - Question 3
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If '+' mean '-', '-' means 'x', 'x' means '÷' and '÷' means '+', then value of 16 x 2 ÷ 25 + 7 - 4 is

Detailed Solution for MCQ: Mathematical Operations- 2 - Question 3

16 x 2 ÷ 25 + 7 - 4
= 16 ÷ 2 + 25 - 7 x 4
= 8 + 25 - 28
= 25 - 20 = 5

MCQ: Mathematical Operations- 2 - Question 4
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If '-' stands for '÷', '+' stands for 'x', '÷' stands for '-' and 'x' stands for '+', find out which one is correct?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 4

From option (b),
49 - 7 + 3 ÷ 5 x 8 = 24
Change the sign, as per the question,
49 ÷ 7 x 3 - 5 + 8 = 24
⇒ 7 x 3 - 5 + 8 = 24
⇒ 21 - 5 + 8 = 24
∴ 24 = 24

MCQ: Mathematical Operations- 2 - Question 5
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Select the correct combination of mathematical signs to replace '*' signs and to balance the following equation.
6 * 4 * 12 * 12
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 5

6 * 4 * 12 * 12
From option (d),
6 x 4 - 12 = 12
⇒ 12 = 12

MCQ: Mathematical Operations- 2 - Question 6
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If 'x' stands for '+', '<' for '-', '+' for ' ÷', '>' for 'x', '-' for '=', ' ÷' for '>' and '=' for '<', then state which of the following is true ?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 6

Using the proper symbols in (c), we get
5 x 2 ÷ 2 < 10 - 4 + 8
⇒ 5 x 1 < 18 - 4 ⇒ 5 < 14
which is true.

MCQ: Mathematical Operations- 2 - Question 7
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If '-' stands for '÷', '+' stands for '-', '÷' stands for 'x', 'x' stands for '+', then which one of the following equation is correct?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 7

Change the proper sign according to question and try all option one by one by applying the BODMAS Rule.
'-' ⇒ ÷
'+' ⇒ '-'
÷ ⇒ 'x'
'x' ⇒ '+'
∴ 70 ÷ 2 - 4 x 5 + 6 = 21
⇒ 35 - 20 + 6 = 21
⇒ 15 + 6 = 21
⇒ 21 = 21

MCQ: Mathematical Operations- 2 - Question 8
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If '+' means '÷', '-' means '+', 'x' means '-' and '÷' means 'x', then what is the value of 24 ÷ 12 - 18 + 9 ?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 8

Using the proper symbols, we have
24 ÷ 12 - 8 + 9
Now Apply the BODMAS Rule,
= 24 x 12 + 18 ÷ 9
= 288 + 2 = 290

MCQ: Mathematical Operations- 2 - Question 9
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if 'R' means '÷', 'Q' means 'x', 'P' means '+', then 1 8 R 9 P 2 Q 8 = ?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 9

Using the correct symbols, we have
1 8 R 9 P 2 Q 8
= 18 ÷ 9 + 2 x 8
= 2 + 2 x 8 = 2 + 16
= 18

MCQ: Mathematical Operations- 2 - Question 10
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Select the correct combination of mathematical signs to replace '*' signs and to balance the given equation.
24 * 34 * 2 * 5 * 12
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 10

From option (c),
24 = 34 ÷ 2 - 5 + 12
⇒ 24 = 17 - 5 + 12
⇒ 24 = 29 - 5
→ 24 = 24

MCQ: Mathematical Operations- 2 - Question 11
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If A means '-' , B means '+', C means 'x', and D means '÷' then 32   D   4   B   7   C   2  A  6
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 11

32   D  4   B 7   C 2   A 6
= 32 ÷ 4 + 7 x 2 - 6 = 8 + 7 x 2 - 6
= 8 + 14 - 6 = 22 - 6 = 16

MCQ: Mathematical Operations- 2 - Question 12
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If K denotes 'X', B denotes '÷', 'T' denotes '-' and 'M' denotes '+', then 40   B   8   T   6   M 3   K   4 = ?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 12

∵ 40   B   8   T   6   M 3   K   4 = ?
⇒ 40 ÷ 8 - 6 + 3 x 4 = ?
⇒ 5 - 6 + 12 = ?
⇒ 17 - 6 = ?
∴ ? = 11

MCQ: Mathematical Operations- 2 - Question 13
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Direction: What should be the correct signs to balance the following equations ?

7   4   8   2 = 24
 
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 13

Let us check all the options one-by-one.
From option (a),
7 - 4 x 8 x 2 = 24 (using VBODMAS rule)
⇒ 7 - 64 = 24 ⇒ -57 = 24
∴ LHS ≠ RHS ≠ RHS
So, option (a) is incorrect.

From option (b),
7 - 4 x 8 ÷ 2 = 24 (using VBODMAS rule)
⇒ 7 - 4 x 8 ÷ 2 = 24 (using VBODMAS rule)
⇒ 7 - 4 x 4 = 24 ⇒ 7 - 16 = 24
⇒ -9 = 24 ⇒ LHS ≠ RHS
So, option (b) is incorrect .
From option (c),
7 x 4 - 8 ÷ 2 = 24 (using VBODMAS rule)
⇒ 7 x 4 - 4 = 24 ⇒ 28 - 4 = 24
⇒ 24 = 24 ⇒ LHS = RHS
So, option (c) is correct and hence, there is no need to check option (d).

MCQ: Mathematical Operations- 2 - Question 14
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If 264 * 2 = 6, 870 * 3 = 11, then what should 735 *5 be ?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 14

Divide and add all numbers.
As, 264/2 = 132 ⇒ 1 + 3 + 2 = 6
⇒ 870/3 = 290 ⇒ 2 + 9 + 0 = 11
Similarly, 735/5 = 147 ⇒ 1 + 4 + 7
= 12

MCQ: Mathematical Operations- 2 - Question 15
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If + = x , - = ÷ , x = + , ÷ = - , then which is the correct equation out of the following ?
Detailed Solution for MCQ: Mathematical Operations- 2 - Question 15

18 + 6 - 4 x 2 ÷ 3 = 26
After chaning, the equation is
L.H.S., 18 x 6 ÷ 4 + 2 - 3
108 ÷ 4 + 2 - 3
27 + 2 - 3
29 - 3 = 26 R.H.S.

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