Officer (Cash) Freedom Fighter 2019[MCQ]

36. X can complete a certain work in the same time in which Y and Z together can do it. If X and Y together can finish it in 10 days and Z alone in 15 days, then Y alone can do it in?

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

1. 22 days

2. 18 days

3. 20 days

4. 25 days

Answer

37. The difference between the radii of bigger circle and smaller circle is 14 cm and the difference between their areas is 1056 cm2. Radius of the smaller circle is —

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

1. 7 cm

2. 5 cm

3. 9 cm

4. 3 cm

Answer

38. A jar contains a mixture of oil and water in the ratio 22:3.50 litres of the mixture was taken out and 25 litres of water was added to it. If water was 34% in the resultant mixture, what was the initial quantity of the mixture (in litres) in the jar?

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

1. 175

2. 150

3. 75

4. 125

Answer

39. The ratio of the length to the breadth of a rectangular park is 3:2, if a man cycling along the boundary of the park at the speed of 12 Km/hr completes one round in 8 minutes, then what is the are of the park?

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

1. 153600 m^2

2. 154000 m^2

3. 307400 m^2

4. None of these

Answer

40. A boat takes 19 hours to travel downstream from point A to point B and coming back to a point C midway between A and B. If the speed of the stream is 4 km/hr and the speed of the boat in still water is 14 km/hr. what is the distance between A and B?

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

1. 160 km

2. 200 km

3. 180 km

4. 220 km

Answer

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