175 metre lambe train number platform ko 12 second mepaar karty hain to train ki gatikitne kimi ghant​

Find the area of a quadrilateral abcdwhose sides in metres are 9, 40, 28 and15 respectively and the angle betweenfirst two sides is a right angle.​

1. a person inside an elevator moving down at a constantspeed of 5mls drops a ball from a height of 125 cmabove the floor of the elevator. the time after whichthe ball will strike the floor of elevator is.a) 0.4 sec b) 0.5 sec c) o.6 d) none of these​

What is the value of x in this equation 7x +5=87