Name of Section:

Officer 2018 [MCQ]

51. If P=5+√2 then the value of P^2 is

[Officer 2018 [MCQ] : 2018]

1. 5+10√2

1

2. 20+ 5√2

2

3. 27+10√2

3

4. 27

4
Answer
52. If 12a + 3b = 1 and 7b - 2a = 9, what is the average of a and b? 0.1

[Officer 2018 [MCQ] : 2018]

1. 0.5

1

2. 1

2

3. 2.5

3
Answer
53. (2x^-1)^2 ÷ x^ - 5 is equal to

[Officer 2018 [MCQ] : 2018]

1. 2x^2

1

2. 4x

2

3. 4x^2

3

4. 4x^3

4
Answer
54. If the salary of an employee is reduced by 10 percent for his late attendance and then increased by 10 percent on a pardon, how much does he lose?

[Officer 2018 [MCQ] : 2018]

1. 2%

1

2. 1%

2

3. -½%

3

4. 9%

4
Answer
55. 35% of Nabila‘s income is equal to 25% of Nuru‘s income. The ratio of their income is

[Officer 2018 [MCQ] : 2018]

1. 5:7

1

2. 4:7

2

3. 7:3

3

4. 4:3

4
Answer

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