Senior Officer 2017 [MCQ]

56. In a mixture of 50 liters, milk and water are in the ratio of 3 : 2. How much water should be added to the mixture to make the ratio of the two equal?

[Senior Officer 2017 [MCQ] : 2017]

1. 8 liters

2. 10 liters

3. 12 liters

4. 14 liters

Answer

57. If x is 90% of y then what percent of x is y?

[Senior Officer 2017 [MCQ] : 2017]

1. 1.11

2. 101.1

3. 11.1

4. 111.1

Answer

58. A room of size 5m x 3m and height 3m requires walls and ceiling painting. What is the area to be painted?

[Senior Officer 2017 [MCQ] : 2017]

1. 90 sq. m

2. 64 sq. m

3. 63 sq. m

4. 70 sq.m

Answer

59. The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by:

[Senior Officer 2017 [MCQ] : 2017]

1. 76%

2. 82%

3. 50%

4. 41%

Answer

60. A husband and wife have six married sons. Each of them has four children. The total number in the family is :

[Senior Officer 2017 [MCQ] : 2017]

1. 34

2. 32

3. 38

4. 36

Answer

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