three coplanar lines AB,CD and EF intersect at a point O and from the angles as shown in the adjoining figure find the value of a,b,c and d.
Question
Maths
March 12, 2020, 6:46 a.m.
Answer
A plane left 30 min. Late than its scheduled time and in order to reach of destination 1500 km away in time, it had to increase its speed by 100 km / hr from the usual speed. Find usual speed
