Name of Section:

Senior Officer 2017 [MCQ]

46. 50^7 × 20^7 is 10^x times larger than 1×10^8, where x is :

[Senior Officer 2017 [MCQ] : 2017]

1. 6

1

2. 13

2

3. 21

3

4. 29

4
Answer
47. In a class 75% passed in English, 60% in Mathematics and 25% failed in both the subjects. What is the percentage who passed in both subjects?

[Senior Officer 2017 [MCQ] : 2017]

1. 60%

1

2. 55%

2

3. 50%

3

4. 45%

4
Answer
48. A person makes a profit of 10% on 25% of the quantity and a loss of 20% on the rest of the quantity. What is the gain or loss in percentage on the whole?

[Senior Officer 2017 [MCQ] : 2017]

1. 10%

1

2. 12.5%

2

3. -12%

3

4. 20%

4
Answer
49. Increasing the original price of an item by 10%, then decreasing by 20% and then again increasing the price by 10% is equivalent to :

[Senior Officer 2017 [MCQ] : 2017]

1. 4.4% increase

1

2. Original price

2

3. 3.2% decrease

3

4. 3.5% decrease

4
Answer
50. In a row of trees, a tree is 7th from the left and 14th from the right end. How many trees are there in the row?

[Senior Officer 2017 [MCQ] : 2017]

1. 19

1

2. 18

2

3. 21

3

4. 20

4
Answer

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