class 10th maths NCERT chapter 5 arithmetic progression exercise 5.4 question 3.

class 10th maths NCERT chapter 5 mathematics preparation exercise 5.4 optional question 3
Q.3 A letter has runga 25 CM apart, The runs decreases uniformly in length from 45 CM at the bottom and 25 CM at the top if the top and bottom ranks are 2½m apart, what is the length of the wood required for the runs?
#class10 #arithmeticprogression #exercise5.4question3