A man goes from A to B at a speed of 40 kmph and comes back to A at a speed of 60 kmph. Find his average speed for the entire journey?
A64 km/hr.
B48 km/hr.
C44 km/hr.
D24 km/hr.
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Two trains, each 100 m long are moving in opposite directions. They cross each other in 8 seconds. If one is moving twice as fast the other, the speed of the faster train is
If the LCM of two numbers a and b is 60 and their HCF is 15. Determine their mean proportion.
ആദ്യ 2 മണിക്കൂറിൽ കാറിൻ്റെ വേഗത മണിക്കൂറിൽ 30 കിലോമീറ്ററും അടുത്ത 2 മണിക്കൂർ മണിക്കൂറിൽ 40 കിലോമീറ്ററുമാണ്. അപ്പോൾ കാർ സഞ്ചരിച്ച ആകെ ദൂരം?
A delivery boy started from his office at 10 a.m. to deliver an article. He rode his scooter at a speed of 32 km / h. He delivered the article and waited for 15 minutes to get the payment. After the payment was made, he reached his office at 11:25 a.m., travelling at a speed of 24 km / h. Find the total distance travelled by the boy.
ഒരു വിമാനം അരമണിക്കൂർ സമയം കൊണ്ട് 250 km ദൂരം സഞ്ചരിച്ചു. വിമാനത്തിന്റെ വേഗത എത്ര ?