App Logo

No.1 PSC Learning App

1M+ Downloads
എഡ്വിൻ 11 മണിക്കൂറിൽ ഒരു യാത്ര പൂർത്തിയാക്കുന്നു. തന്റെ യാത്രയുടെ ആദ്യ പകുതി 20 കി. മീ. മണിക്കൂറിലും രണ്ടാം പകുതി 24 കി. മീ. മണിക്കൂറിലും ആണ് യാത്ര ചെയ്തത് എങ്കിൽ, എഡ്വിൻ സഞ്ചരിച്ച ദൂരം കിലോമീറ്ററിൽ കണ്ടെത്തുക ?

A200

B220

C260

D240

Answer:

D. 240

Read Explanation:

a and b are the different speed Average speed=2xaxb/a+b =2x20x24/44 =240/11 Distance=speedxtime =240x11/11=240km


Related Questions:

The distance between Delhi and Lucknow is 520 km. A train covers 70 km in the first hour and if it runs at the speed of 90 kmph to cover the rest of the distance, then what is the total time taken?
Ram is at A and Shyam is at B. They proceed towards each other simultaneously. After meeting each other in the way, Ram takes 2 h to reach B and Shyam takes 8 h to reach A. If the speed of Ram is 40 km/h, the speed of Shyam is:
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:
A person can complete a journey in 24 hours. He covers the first one-third part of the journey at the rate of 42 km/h and the remaining distance at the rate of 12 km/h. What is the total distance(km) of his journey?
An athlete runs 200 metres race in 24 seconds. His speed is