Go To Your Study Dashboard

Get Answers to all your Questions

header-bg

3 person A, B and C covers a distance at 10 km/hr ,12 km/hr and 15 km/hr. the average speed is:

Option 1)

11 km/hr

Option 2)

12 km/hr

Option 3)

9 km/hr

Option 4)

14 km/hr

Option 5)

7 km/hr

Answers (1)

best_answer

Average Speed = 3xyz)/(xy + yz + zx)

= (3 x 10 x 12 x 15)/(120 + 150 + 180) => 12 K/hr

Posted by

rishi.raj

View full answer

Similar Questions

Latest Question

A sum of money under compound interest doubles itself in 4 years. In how many years will it become 16 times itself? Option: 1 1
A certain loan amounts, under compound interest, compounded annually earns an interest of Rs.1980 in the second year and Rs.2178 in the third year. How much interest did it earn in the first year?<