"Education-Instruction-Inspiration"
Name of Section:
Senior Officer 2019 [MCQ]
51.
An airplane flies along the four sides of a square at the speeds of 200, 400, 600 and 800 km/hr. Find the average speed of the plane around the field.
[Senior Officer 2019 [MCQ] : 2019]
Answer
52.
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?
[Senior Officer 2019 [MCQ] : 2019]
Answer
54.
A and B start a business with a initial investment in the ratio 12: 11 and their annual profits were in the ratio 4:1. If A invested the money for 11 months. B invested the money for —
[Senior Officer 2019 [MCQ] : 2019]
Answer