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DXC Logical Mathematical Order Quiz 1

Question 1

Time: 00:00:00

If Q means ‘add to’, J means ‘multiply by’, T means ‘subtract from’ and K means ‘divide by’, then
2236 K 33 Q 53 J 86 T 242 = ?

1598.32

1478.36

1457.23

4383.75

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Ans. 4383.75
Sol. Using the correct symbols, we have:
Given expression
= 2236 ÷ 33 + 53 × 86 – 242
= 67.75 + 53 * 86 - 242
= 67.75 + 4558 - 242
= 4625.75 - 242
= 4383.75

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Question 2

Time: 00:00:00

If + means ÷, – means ×, × means +, ÷ means –, give the value for
685 + 5 – 94 × 445 ÷ 188 = ?

4088

3645

55654

13135

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Ans: 13135

685 + 5 – 94 × 445 ÷ 188 = ?
= 685 ÷ 5 × 94 + 445 – 188
= 137 × 94 + 445 – 188
= 12878 + 445 – 188
= 13323 – 188
= 13135.

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Question 3

Time: 00:00:00

Which of the following interchange of sign would make the given equation correct?
72 – 8 × 9 ÷ 8 = 73

+ and –

÷ and ×

+ and ÷

– and ÷

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Ans: – and ÷
Expl:
From the option fourth, we get
72 – 8 × 9 ÷ 8 = 73
Putting (– & ÷) in the equation,
⇒ 72 ÷ 8 × 9 – 8 = 73
⇒ 9 × 9 – 8 = 73
⇒ 81 – 8 = 73
⇒ 73 = 73

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Question 4

Time: 00:00:00

Which interchange of signs will make the following equation correct?
100 + 100 ÷ 100 – 100 × 100 = 100

+ and –

+ and ÷

+ and ×

÷ and +

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Ans: + and ×
Expl
From the option 3rd, we get:
⇒ 100 + 100 ÷ 100 – 100 × 100 = 100
⇒ 100 × 100 ÷ 100 – 100 + 100 = 100
⇒ 100 – 100 + 100 = 100.

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Question 5

Time: 00:00:00

If ‘S’ stands for ‘-‘, ‘B’ stands for ‘+’, ‘C’ stands for ‘÷’ and ‘D’ stands for ‘×’, then what is the value, of the given equation?

55 B 35 D 8 C 4 S 6 = ?

200

135

174

180

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Ans: 174
S = – , B = +, C = ÷, D = ×
55 B 35 D 8 C 4 S 6 = ?
⇒ ? = 55 + 35 × 8 ÷ 4 – 6
⇒ ? = 90 * 2 – 6
⇒ ? = 180 - 6
⇒ ? = 174

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Question 6

Time: 00:00:00

If ‘–’ stands for ‘÷’; ‘+’ stands for ‘×’; ‘÷’ stands for ‘–’ and ‘×’ stands for ‘+’. Which one of the following is correct?

20 + 5 – 5 ÷ 5 × 5 = 20

20 – 5 + 5 ÷ 5 × 5 = 25

20 × 5 ÷ 5 + 5 – 5 = 0

20 ÷ 5 × 5 ÷ 5 = 15

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Ans: 20 + 5 – 5 ÷ 5 × 5 = 20
Expl:
20 + 5 – 5 ÷ 5 × 5 = 20
20 × 5 ÷ 5 – 5 + 5 = 20
20 × 1 – 5 + 5 = 20
20 – 5 + 5 = 20
20 = 20

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Question 7

Time: 00:00:00

If + means ÷, – means ×, × means +, ÷ means –, give the value for
55 + 11 – 3 × 25 ÷ 8 = ?

556

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Ans: 32
Expl:
55 + 11 – 3 × 25 ÷ 8 = ?
⇒ ? = 55 ÷ 11 × 3 + 25 – 8
⇒ ? = 5 × 3 + 25 – 8
⇒ ? = 15 + 25 – 8
⇒ ? = 40 – 8
⇒ ? = 32.

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Question 8

Time: 00:00:00

Which interchange of signs will make the following equation correct?
(42 – 6) × 8 ÷ 5 + 9 = 60

÷ and –

÷ and +

– and +

× and -

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Ans: ÷ and –
Expl:
From the first option, we will get:
(42 – 6) × 8 ÷ 5 + 9 = 60
⇒ (42 ÷ 6) × 8 – 5 + 9 = 60
⇒ 7 × 8 – 5 + 9 = 60
⇒ 56 – 5 + 9 = 60
⇒ 65 – 5 = 60

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Question 9

Time: 00:00:00

Select the correct combination of mathematical signs to replace * signs and to balance the following equation:

8 * 8 * 1 * 7 = 8

× ÷ +

+ × ÷

÷ × +

+ × ÷

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Ans: ÷ × +
Expl:
From the option 3rd, we get:
8 * 8 * 1 * 7 = 8
⇒ 8 ÷ 8 × 1 + 7 = 8
⇒ 1 × 1 + 7 = 8

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Question 10

Time: 00:00:00

If ‘R’ stands for ‘-‘, ‘A’ stands for ‘+’, ‘B’ stands for ‘÷’ and ‘C’ stands for ‘×’, then what is the value of the given equation?

35 A 37 C 10 B 5 R 3 = ?

320

355

106

270

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Ans: 106
Expl:
R = – , A = +, B = ÷, C = ×
35 A 37 C 10 B 5 R 3 = ?
⇒ ? = 35 + 37 × 10 ÷ 5 – 3
⇒ ? = 35 + 37 * 2 – 3
⇒ ? = 35 + 74 - 3
⇒ ? = 109 - 3 = 106

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