Question

yadi Ek railgadi ko chaal Mein Samanya chaal se 5 kilometre Prati Ghanta ki vriddhi kar di jaaye to 30 kilometre ki yatra Mein 2 ghante kam Lagte Hain railgadi ki Samanya chaal kitni hai​

Answer 1

Step-by-step explanation:

Distance is = 30

speed is = x + 5

time is = 2

ao put these values in this formula

S = D/T

x + 5 = 30/2

x +5 = 15

x = 15 - 5

x = 10 km/hr