MEDIUM
NRA CET - Graduate Level
IMPORTANT
Earn 100

A motorist completes the journey between A and B at a constant speed of 20 kmph and covers the return journey from B to A at a constant speed of 30 kmph. What was the average speed ?

50% studentsanswered this correctly

Important Questions on Average

HARD
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 4
Two cyclists start together for a point A, 20 km Away. One cyclist goes steadily at 10 kmph While the other goes faster but constant speed. The faster cyclist reaches point A and returns to meet the slower cyclist exactly half away to point A. The speed of the faster cyclist was -
HARD
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 5
The average number of students in 5 Classes I-V is 29. The average number of students in the class  I,  III and V is 30, then the total number of students in II and IV Are:
HARD
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 6
The average salary of Raju, Sashi and Mahesh is ₹800 and the average salary of Sashi, Pramod and Mahesh is ₹900 and if Pramod's salary is ₹900, What is Raju's salary?
HARD
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 7
The average age of three persons is 45 years, their ages are in the ratio of 2:3:4. The difference between the ages of the youngest and the eldest is-
MEDIUM
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 8
The average of the runs scored by a cricket eleven is 50. If the runs scored by the captain is excluded, the average score rises by 5. How many runs did the captain score?
HARD
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 9
The average of three numbers is  77. The first number is double of the second, the second is double of the third. The numbers are -
MEDIUM
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 10
The average of two numbers is 180. If one of them is half the other, the numbers are -
EASY
NRA CET - Graduate Level
IMPORTANT
Railway Recruitment Board Computer Based Test>Chapter 34 - Average>Exercise 14>Q 11

The average of three numbers of which greatest is 16, is 12. If the smallest is half of the greatest, the remaining number is -