Mathematical Operations Test

Result

Mathematical Operations Test - 2

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Weekly Quiz Competition

Question 1
3 / -1

5068 / 37 x 4 = ?

A
548

B
625

C
214

D
745

Solution

? = 5068 x 4/37
? = 548
Question 2
3 / -1

In the following question, by using which mathematical operator will the expression become correct?
18 ? 6 ? 9 ? 27

A
x, ÷ and =

B
÷, x and =

C
x, + and =

D
+, – and =
Question 3
3 / -1

In the following question, correct the equation by interchanging two signs.
6 + 8 ÷ 4 – 4 = 8

A
÷ and =

B
÷ and +

C
÷ and –

D
+ and –
Question 4
3 / -1

In a group of buffaloes and ducks the number of legs are 24 more than twice the number of heads. What is the number of buffaloes in the group?

A
6

B
18

C
12

D
24

Solution

Let the number of buffaloes be x and number of ducks be y.
Now, number of heads = x + y
Number of legs = 4x + 2y .......(1)
But given that legs = 2(x + y) + 24 ......(2)
solving (1) & (2),we get
4x + 2y = 2x + 2y + 24
--> x = 12.
Therefore number of buffaloes =12
Question 5
3 / -1

The following equation is incorrect. Which two signs should be interchanged to correct the equation? 15 x 12 + 40 ÷ 40 - 6 = 21

A
+ and x

B
+ and ÷

C
- and +

D
÷ and x
Question 6
3 / -1

If "–" means "added to", "+" means "divided by", "÷" means "multiplied by", "x" means "subtracted from", then 13 + 12 x 9 ÷ 3 – 6 = ?

A
–117/11

B
117/11

C
–237/12

D
–239/12
Question 7
3 / -1

If '+' means subtraction, '÷' means addition, '<' means multiplication and '>' means division, then find the value of the given statement,
The value of 9 ÷ 7 < 8 > (4>2) + 5 will be

A
32

B
18

C
16

D
11
Question 8
3 / -1

What is x squared plus x squared?

A
4x

B
2x²

C
x⁴

D
2x

Solution

In an algebraic expression, like terms are terms that contain the same variables raised to the same powers. Calculating x-squared plus x-squared is a matter of combining like terms.
Now x² + x² = 2x²
Hence, x-squared plus x-squared is equal to 2 times x squared.
Question 9
3 / -1

If "÷" denotes "multiplied by", "+" denotes "subtracted from", "–" denotes "added to" and "x" denotes "divided by", then which of the following equation is true?

A
16 + 19 x 21 – 5 = 201

B
5 x 6 + 4 ÷ 3 = 37/6

C
6 x 3 + 12 ÷ 3 = 21

D
18 x 6 ÷ 8 – 12 = 36
Question 10
3 / -1

Find out the two signs to be interchanged for making following equation correct
5 + 3 x 8 - 12 / 4 =3

A
+ and -

B
- and /

C
+ and x

D
+ and /

Solution

On interchanging - and /, we get the equation as
5 + 3 x 8 / 12 - 4 = 3
or 5 + 3 x (2/3) - 4 = 3
or 3 = 3, which is true.

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Re-Attempt Weekly Quiz Competition

Mathematical Operations Test - 2

Result

Mathematical Operations Test - 2

Score

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Rank

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SHARING IS CARING

Question 1

548

625

214

745

Solution

Question 2

x, ÷ and =

÷, x and =

x, + and =

+, – and =

Question 3

÷ and =

÷ and +

÷ and –

+ and –

Question 4

6

18

12

24

Solution

Question 5

+ and x

+ and ÷

- and +

÷ and x

Question 6

–117/11

117/11

–237/12

–239/12

Question 7

32

18

16

11

Question 8

4x

2x2

x4

2x

Solution

Question 9

16 + 19 x 21 – 5 = 201

5 x 6 + 4 ÷ 3 = 37/6

6 x 3 + 12 ÷ 3 = 21

18 x 6 ÷ 8 – 12 = 36

Question 10

+ and -

- and /

+ and x

+ and /

Solution

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2x²

x⁴