"Education-Instruction-Inspiration"
Name of Section:
Senior Officer 2019 [MCQ]
16.
A 270 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 seconds. What is the length of the other train?
[Senior Officer 2019 [MCQ] : 2019]
Answer
17.
Three partners shared the profit in a business in the ratio 5:7:8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments?
[Senior Officer 2019 [MCQ] : 2019]
Answer
18.
In a class, there are 15 boys and 10 girls. Three students are selected at random. The SI9 m 979W anong probability that 1 girl and 2 boys are selected, is —
[Senior Officer 2019 [MCQ] : 2019]
Answer
19.
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
20.
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
