Officer (Freedom Fighter) 2019[MCQ]

36. The sum of the circumference of a circle and the perimeter of a rectangle is 130 cm. The area of the rectangle is 104 cm2 and the length of the rectangle is 13 cm. What is the area of the circle?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 516 cm^2

2. 616 cm^2

3. 816 cm^2

4. 216 m^2

Answer

37. A box is made in the form of a cube. If a second cubical box has inside dimensions three times those of the first box, how many times as much does the second box contain?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 27

2. 12

3. 9

4. 6

Answer

38. If 2 kg of metal, of which 1/3 is zinc and the rest is copper, be mixed with 3 kg of metal, of which 1/4 is zinc and the rest is copper, then what will be the ratio of zinc to copper in the mixture?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 17:43

2. 13:42

3. 19: 43

4. 15:42

Answer

39. One filling pipe P is three times faster than another filling pipe Q, if P can fill tank in 24 hours, then what is the time taken to completely fill the tank if both the pipes are opened together?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 12 hours

2. 16 hours

3. 18 hours

4. 14 hours

Answer

40. A box contains 4 tennis ball, 6 season and 8 dues balls. 3 balls are randomly drawn from the box. What is the probability that the balls are different?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 2/17

2. 4/17

3. 4/11

4. 6/11

Answer

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