Mathematical Operations Test

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Mathematical Operations Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

If p means 'division', t means 'addition', m means 'subtraction' and d means 'multiplication', then what will be the value of the expression 12 m 12 d 28 p 7 M 5?

A
-30

B
-15

C
15

D
-21

Solution

12 m 12 d 28 p 7 t 15 = 12 − 12 × 28 ÷ 7 + 15 = −21
Question 2
1 / -0

If '+' means ′÷′,′÷′ means '-','-' means ′×′,′×′ means '+', then 12 + 6 ÷ 3 − 2 × 8 = ?

A
-2

B
2

C
4

D
8

Solution

Using the correct sign, the equation becomes 12 ÷ 6 − 3 × 2 + 8 = 4.
Question 3
1 / -0

If '+' means 'divided by '-' means 'add', ' ′×′ means 'minus' and '/' means 'multiplied by', then what will be the value of the following expression?

A
Infinite

B
0

C
118

D
219

Solution

Using the correct symbols, the expression becomes, [{(17 − 12) + (4 × 2)} ÷ (23 + 6)] × 0 = 0.
Question 4
1 / -0

If 'A' means × 'B' means ′÷′, 'C means'+' and 'D' means ′−′, then 21 C 3 D 6 A 8 B 2 = ?

A
13

B
0

C
8

D
10

Solution

21 + 3 − 6 × 8 ÷ 2 = 0.
Question 5
1 / -0

If ′Δ′ means '+', ′□′ means ′×′,′′ means ′÷′ and ′θ′ means ′−′, then 64 8 Δ16 □ 4 θ 3 = ?

A
42

B
39

C
69

D
27

Solution

64 ÷ 8 + 16 × 4 − 3 = 69.
Question 6
1 / -0

If 'N' means ′×′,M′ means′÷′,′P ' means '+' and 'Q' means ′−′, then 16 P 24 M 8 Q 6 M 2 N 3 = ?

A
13

B
17

C
24

D
10

Solution

16 + 24 ÷ 8 − 6 ÷ 2 × 3 = 10.
Question 7
1 / -0

If r∗s = r⁵ and r # s = s^r, then what is the value of (2 ∗ 3) ∗ (1 # 4) ?

A
2048

B
4096

C
1024

D
8192

Solution

(2³) ∗ (4¹) = 8⁴ = 4096.
Question 8
1 / -0

If ′α′ stands for ′−′,′β′ stands for ′+′,′γ′ stands for ′×′ and ′δ′ stands for'-', then which of the following is incorrect?

A
137 α56α 3γ 4β 5α 8γ8 = −2

B
56δ 28γ 19α 8α 15β3=20

C
23α 14β 15γ9δ9=−6

D
All of these

Solution

[a] 137 − 56 − 3 × 4 + 5 − 8 × 8 = 10 ≠ −2

[b] 56 ÷ 28 × 19 − 8 − 15 + 3 = 18 ≠ 20

[c] 23 − 14 + 15 × 9 ÷ 9 = 24 ≠ −6
Question 9
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 'minus'/ then which of the following alternatives is correct?

A
5 < 2 × 1 ÷ 3 > 4 × 1

B
5 > 2 < 1 − 3 × 4 × 1

C
5 > 2 × 1 − 3 > 4 < 1

D
5 + 2x 1 = 3 + 4 > 1

Solution

Using the proper symbols in [c], we get the expression as: 5 × 2 + 1 = 3 × 4 −1

⇒ 11 = 11, which is true.

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Re-Attempt Weekly Quiz Competition

Mathematical Operations Test - 1

Result

Mathematical Operations Test - 1

Score

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Rank

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SHARING IS CARING

Question 1

-30

-15

15

-21

Solution

Question 2

-2

2

4

8

Solution

Question 3

Infinite

0

118

219

Solution

Question 4

13

0

8

10

Solution

Question 5

42

39

69

27

Solution

Question 6

13

17

24

10

Solution

Question 7

2048

4096

1024

8192

Solution

Question 8

137 α56α 3γ 4β 5α 8γ8 = −2

56δ 28γ 19α 8α 15β3=20

23α 14β 15γ9δ9=−6

All of these

Solution

Question 9

5 < 2 × 1 ÷ 3 > 4 × 1

5 > 2 < 1 − 3 × 4 × 1

5 > 2 × 1 − 3 > 4 < 1

5 + 2x 1 = 3 + 4 > 1

Solution

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