Mathematical Operations Test

Result

Mathematical Operations Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

In the following equation/ two signs need to be interchanged to make it correct, Choose the signs from the given options. 3 × 5 + 3 − 18 ÷ 3 = 12

A
÷ and +

B
× and −

C
× and +

D
+ and -

Solution

On interchanging + and x, we get the equation as: 3 + 5 × 3 − 18 ÷ 3 = 12 ⇒ 12 = 12.
Question 2
1 / -0

If '+ and ′−′ are interchanged and '4' and '8' are interchanged, then which of the following is correct?

A
4 + 6 − 3 + 9 = − 4

B
8 + 8 − 4 − 4 = 8

C
9 + 7 + 6 − 4 = 6

D
4 ÷ 8 − 4 + 8 = 6

Solution

[a] 8 − 6 + 3 − 9 = 8 ⇒ −4 ≠ 8 [b] 4 − 4 + 8 + 8 = 4 ⇒ 16 ≠ 4 [c] 9 − 7 − 6 + 8 = 6 ⇒ 4 ≠ 6 [d] 8 ÷ 4 + 8 − 4 = 6 ⇒ 6 = 6.
Question 3
1 / -0

Choose the correct order of signs from the four options given below, so the equations become correct.

66___ 27___ 13___3

A
= - x

B
x = -

C
- = x

D
- x =

Solution

[a] 66 = 27 − 13 × 3 ⇒ 66 ≠ −12 [b] 66 × 27 = 13 − 3 ⇒ 1782 ≠ 10 [c] 66 − 27 = 13 × 3 ≠ 39 = 39 [d] 66 − 27 × 13 = 3 ⇒ −285 ≠ 3
Question 4
1 / -0

Choose the correct order of signs from the four options given below, so the equations become correct.

12___ 12___8___3

A
+ = x

B
x = +

C
= + x

D
+ x -

Solution

12 + 12 = 8 × 3 ⇒ 24 = 24
Question 5
1 / -0

If 'P' means ′× ?Q' means ′÷′,R′ means '+' and 'S' means S then what is the value of 154 Q 14 S 7 P 3 R 25 ?

A
35

B
15

C
42

D
25
Question 6
1 / -0

If ′√′ denotes 'square ′×′ denotes′+′,′−′ denotes ′×′ and'+' denotes′÷′, then √20 + 25 × 5 − 3 = ? (SOF NSO 2016)

A
63

B
10

C
31

D
1015
Question 7
1 / -0

Directions For Questions

Study the following information and answer the question that follows.

...view full instructions

'P © Q' means 'P is neither greater than nor smaller than Q'.

'P # Q' means 'P is either greater than or equal to Q'.

'P Q' means 'P is either smaller than or equal to Q'.

'P % Q' means 'P is greater than Q'.

'P @ Q' means 'P is smaller than Q'.

If the given statements are true, then which of the following two conclusions I and II given below is/are definitely true? (SOF NSO 2016)

Statement : V $ T, T # R, R @ B

Conclusions : I. V @ B II. B % T

A
Only I

B
Only II

C
Both I and II

D
Neither I nor II
Question 8
1 / -0

If ′−′ stands for division, '+' stands for multiplication, ′÷′stands for subtraction and ′×′ stands for addition, then which of the following equations is CORRECT? (SOF NSO 2016)

A
19 + 5 − 4 × 2 ÷ 4 = 11

B
19 × 5 − 4 ÷ 2 + 4 = 16

C
19 ÷ 5 + 4 − 2 × 4 = 13

D
19 − 5 + 4 − 2 − 4 = 20
Question 9
1 / -0

If > stands for +, < stands for -, + stands for ÷, ^ stands for ×,− stands for =, x stands for > and = stands for <, then which of the following options is correct? (SOF NSO 2016)

A
18 > 12 + 4 × 7 > 8 ^2

B
31 > 1 < 2 = 4 > 6 ^7

C
29 < 18 + 6 = 36 + 6 ^4

D
32 > 6 + 2 = 6 < 7 ^2
Question 10
1 / -0

If ′×′ stands for 'greater than?, ′−′ stands for 'addition', ′÷′stands for 'division',+' stands for 'equal to', '<' stands for 'multiplication', '>' stands for 'less than' and '=' stands for 'subtraction', then which of the following options is correct? (SOF NSO 2016)

A
5 < 2 = 1 + 3 - 4 ? 1

B
5 = 2 - 1 + 3 < 4 - 1

C
5 < 2 - 1 + 3 < 4 = 1

D
5 - 2 - 1 > 3 - 4 < 1

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Mathematical Operations Test - 2

Result

Mathematical Operations Test - 2

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SHARING IS CARING

Question 1

÷ and +

× and −

× and +

+ and -

Solution

Question 2

4 + 6 − 3 + 9 = − 4

8 + 8 − 4 − 4 = 8

9 + 7 + 6 − 4 = 6

4 ÷ 8 − 4 + 8 = 6

Solution

Question 3

= - x

x = -

- = x

- x =

Solution

Question 4

+ = x

x = +

= + x

+ x -

Solution

Question 5

35

15

42

25

Question 6

63

10

31

1015

Question 7

Only I

Only II

Both I and II

Neither I nor II

Question 8

19 + 5 − 4 × 2 ÷ 4 = 11

19 × 5 − 4 ÷ 2 + 4 = 16

19 ÷ 5 + 4 − 2 × 4 = 13

19 − 5 + 4 − 2 − 4 = 20

Question 9

18 > 12 + 4 × 7 > 8 ^2

31 > 1 < 2 = 4 > 6 ^7

29 < 18 + 6 = 36 + 6 ^4

32 > 6 + 2 = 6 < 7 ^2

Question 10

5 < 2 = 1 + 3 - 4 ? 1

5 = 2 - 1 + 3 < 4 - 1

5 < 2 - 1 + 3 < 4 = 1

5 - 2 - 1 > 3 - 4 < 1

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