Pie_Chart and speed

By walking at 3 / 4 of his usual speed,yeah man reaches his office 20 minutes later than his usual time.find the usual time taken by him to reach his office

• 1 hour

• 2 hour

• 3 hour

• 5 hour

Answer explanation

One third of a certain journey was covered at the speed of 20 km/hour, one fourth at 30 km / hour and the rest at the speed of 50 km / hour. find the average speed per hour for the whole journey.

• 25 kmph

• 30kmph

• 28 kmph

• 35 kmph

A fast train takes 3 hours less than a slow train for a journey of 600 km. If the speed of the slow train is 10km/hr less than that of the fast train, then find the speed of slow train.

• 50 kmph

• 40 kmph

• 37 kmph

• 43 kmph

A person reaches his destination 40 minutes late if his speed is 3 km/hr, and reaches 30 minutes before time if his speed is 4 km/hr. Find the distance of his destination from his starting point.

• 11 km

• 24 km

• 32 km

• 14 km

A carriage driving in a fog passed a man who was walking at the rate of 3 kmph in the same direction. He could see the carriage for 4 minutes and it was visible to him up to a distance of 100 m. What was the speed of the carriage?

• 9/2 kmph

• 5/2 kmph

• 7/2 kmph

• 7/3 kmph

Percentage-wise distribution of lecturers in 6 different subjects in a university total number of lecturers: 1600

Total number of lecturers (both male and female) in Hindi is approximately what per cent of the total number of female lectures in Mathematics and Chemistry together?

• 58

• 43

• 47

• 51

Percentage-wise distribution of lecturers in 6 different subjects in a university total number of lecturers: 1600

What is the difference between the total number of lecturers (both male and female) is Zoology and the total number of male lecturers in Chemistry and Education together?

• 192

• 182

• 146

• 136

Percentage-wise distribution of lecturers in 6 different subjects in a university total number of lecturers: 1600

What is the difference between the number of female lecturers in Zoology and the number of male lecturers in Hindi?

• 156

• 160

• 150

• 153

Percentage-wise distribution of lecturers in 6 different subjects in a university total number of lecturers: 1600

What is the total number of male lecturers in the university?

• 696

• 702

• 712

• 668

What is the ratio of the number of female lecturers in Physics to the number of male lecturers in Mathematics?

• 5:9

• 2:9

• 3:7

• 5:3