Mathematical Operations Test

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Mathematical Operations Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

If + means ÷, × means +, - means ×, and ÷ means -, then what will be the value of 18 × 44 + 11 × 3 - 2?

A
23

B
24

C
27

D
28

E
29

Solution

After writing proper notations, we get:
18 + 44 ÷ 11 + 3 × 2
= 18 + 4 + 6
= 28
Question 2
1 / -0

If A means +, B means -, C means ×, and D means ÷, then what will be the value of 16 D 8 A 4 B 8 C 4?

A
-26

B
-25

C
-24

D
25

E
26

Solution

After writing proper notations, we get:
16 ÷ 8 + 4 - 8 × 4
= 2 + 4 - 32
= -26
Question 3
1 / -0

If E means ×, F means ÷, G means -, and H means +, then what will be the value of 8 F 8 H 8 E 8 G 8?

A
53

B
54

C
55

D
57

E
58

Solution

After writing proper notations, we get: 8 ÷ 8 + 8 × 8 - 8
= 1 + 64 - 8
= 57
Question 4
1 / -0

If P means ÷, Q means -, R means +, and S means ×, then what will be the value of 40 R 30 P 5 Q 4 S 3?

A
32

B
34

C
35

D
37

E
39

Solution

After writing proper notations, we get: 40 + 30 ÷ 5 - 4 × 3
= 40 + 6 - 12
= 46 - 12
= 34
Question 5
1 / -0

If A means +, D means ÷, M means × and S means -, then what will be the value of 8 M 4 A 18 D 6 S 3?

A
29

B
30

C
31

D
32

E
34

Solution

After writing proper notations, we get
8 × 4 + 18 ÷ 6 - 3
= 32 + 3 - 3
= 32
Question 6
1 / -0

If E means ×, F means ÷, G means – and H means +, then what will be the value of 4 H 42 F 14 E 5 G 9?

A
12

B
11

C
9

D
10

E
8

Solution

After writing proper notations, we get
4 + 42 ÷ 14 × 5 – 9
= 4 + 3 × 5 – 9
= 4 + 15 – 9
= 10
Question 7
1 / -0

If P means '÷', Q means '-', R means '+' and S means '×', then what will be the value of 200 P 20 R 20 Q 10 S 2?

A
10

B
11

C
12

D
13

E
14

Solution

After writing proper notations, we get
200 ÷ 20 + 20 - 10 × 2
= 10 + 20 - 20
= 10
Question 8
1 / -0

If A means +, D means ÷, M means × and S means -, then what will be the value of 18 M 3 A 4 S 4 D 2?

A
53

B
54

C
55

D
56

E
57

Solution

After writing proper notations, we get 18 × 3 + 4 - 4 ÷ 2
= 54 + 4 - 2
= 56
Question 9
1 / -0

If A means '+', B means '-', C means '×' and D means '÷', then what will be the value of 9 B 3 C 2 A 8 D 4?

A
3

B
4

C
5

D
6

E
7

Solution

After writing down the proper signs, we get the following expression:
9 - 3 × 2 + 8 ÷ 4
= 9 - 6 + 2
= 5
Question 10
1 / -0

If K means +, L means -, M means × and N means ÷, then what will be the value of 15 K 3 L 4 N 2 M 3?

A
8

B
9

C
10

D
12

E
13

Solution

After writing proper notations, we get 15 + 3 - 4 ÷ 2 × 3.
= 15 + 3 - 6
= 12
Question 11
1 / -0

If P means ÷, Q means ×, R means - and S means +, then what will be the result of 175 P 25 S 8 Q 2 R 20?

A
2

B
3

C
4

D
5

E
6

Solution

After writing proper notations, we get
175 ÷ 25 + 8 × 2 - 20
= 7 + 16 - 20
= 3
Question 12
1 / -0

Which of the following sets of signs would be needed for the given equation to be true?

7 ___ 7 ___ 7 ___ 7 ___ 7 = 43

A
+, -, ÷, ×

B
×, ÷, +, -

C
÷, +, ×, -

D
-, ×, ÷, +

E
÷, ×, -, +

Solution

The best way to solve this is by options.
From option (3), we get
7 ÷ 7 + 7 × 7 - 7
= 1 + 49 - 7
= 43
So, this is the answer.
Question 13
1 / -0

Which of the following sets of signs would be needed for the equation to be true?

5 ___ 5 ___ 5 ___ 5 ___ 5 = 21

A
+, –, ÷, ×

B
×, ÷, +, –

C
÷, +, ×, –

D
–, ×, ÷, +

E
÷, ×, –, +

Solution

After using the correct signs ÷, +, × and –, we get 5 ÷ 5 + 5 × 5 – 5
= 1 + 25 – 5
= 21
Question 14
1 / -0

Which of the following sets of signs is needed for the following equation to be true?

3 ___ 3 ___ 3 ___ 3 ___ 3 = 3

A
÷, +, -, ×

B
+, ×, ÷, -

C
÷, -, +, ×

D
×, -, +, ÷

E
÷, +, ×, -

Solution

On filling in the signs given in option (1):
3 ÷ 3 + 3 - 3 × 3
= 1 + 3 - 9
= -5 ≠ 3
On filling in the signs given in option (2):
3 + 3 × 3 ÷3 - 3 = 3
3 + 3 × 1 - 3 = 3
3 + 3 - 3 = 3
6 - 3 = 3
3 = 3
Hence, option (2) is correct.
Question 15
1 / -0

Which of the following two signs should be interchanged in the equation to make the equation correct?

(6 - 3) + (4 x 2 + 13) ÷ (7 x 2) = 21

A
+ and -

B
x and ÷

C
÷ and +

D
x and -

E
÷ and -

Solution

After interchanging x and -, we get
(6 x 3) + (4 - 2 + 13) ÷ (7 - 2)
= 18 + 15 ÷ 5
= 18 + 3
= 21
Hence, option (4) is correct.
Question 16
1 / -0

Which two signs should be interchanged in the equation to make it correct?

(12 ÷ 3) - (6 × 2) + (7 × 3) - 6 = 1

A
× and ÷

B
÷ and +

C
× and -

D
+ and -

E
÷ and -

Solution

After interchanging + and -, we get
12 ÷ 3 + (6 × 2) - (7 × 3) + 6
= 4 + 12 - 21 + 6
= 1
Hence, option '4' is correct.
Question 17
1 / -0

Which of the following two signs should be interchanged in the equation to make the equation correct?

(4 × 4) + (21 – 7 + 3) ÷ (35 – 7) = 17

A
+ and –

B
– and ÷

C
× and ÷

D
+ and ×

E
+ and ÷

Solution

After interchanging + and –, we get (4 × 4) – (21 + 7 – 3) ÷ (35 + 7) = 16 – 25 ÷ 42 ≠ 17
After interchanging – and ÷, we get (4 × 4) + (21 ÷ 7 + 3) – (35 ÷ 7) = 16 + 6 – 5 = 17
Hence, option (2) is correct.
Question 18
1 / -0

Which two signs should be interchanged to make the equation correct?

6 + (9 – 3) ÷ (8 + 1) × (7 – 4) = 24

A
× and ÷

B
+ and ÷

C
÷ and –

D
× and –

E
+ and –

Solution

After interchanging × and ÷,
We get
6 + (9 – 3) × (8 + 1) ÷ (7 – 4) = 6 + 6 × 9 ÷ 3 = 24
Hence, option 1 is correct.

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Re-Attempt Weekly Quiz Competition

Mathematical Operations Test - 5

Result

Mathematical Operations Test - 5

Score

-

Rank

-

SHARING IS CARING

Question 1

23

24

27

28

29

Solution

Question 2

-26

-25

-24

25

26

Solution

Question 3

53

54

55

57

58

Solution

Question 4

32

34

35

37

39

Solution

Question 5

29

30

31

32

34

Solution

Question 6

12

11

9

10

8

Solution

Question 7

10

11

12

13

14

Solution

Question 8

53

54

55

56

57

Solution

Question 9

3

4

5

6

7

Solution

Question 10

8

9

10

12

13

Solution

Question 11

2