In a Journey of 160 km, a car covers the distance of 120 km at a speed of 80 km/h and the remaining distance at 40 km/hr. Find the average speed of the car for the whole journey.
A55 km/hr.
B64 km/hr.
C72 km/hr.
D68 km/hr.
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
If the average of 15 numbers is 25, what will be the new average if 3 is added to each number?
The average number of sweets distributed in a class of 60 students is 5. If ‘x’ number of students newly joined the class and the average becomes 4, and then find the newly joined students in the class?
ഒരു സെറ്റ് സംഖ്യകളുടെ ശരാശരി 18 ആണ്. അതിൽ നിന്ന് 24 എന്ന സംഖ്യ മാറ്റിയപ്പോൾ ശരാശരി 17 ആയി. എങ്കിൽ ആദ്യ സെറ്റിൽ എത്ര സഖ്യകളുണ്ട് ?
The average monthly pocket money of 24 girls in a class is ₹ 275, whereas for 16 boys of the class it is ₹ 325. What is the average monthly pocket money of the whole class?