Question

some extra questions of factorization and mensuration

Answer 1

For Factorisation-
a)96abc(3a-12)(5b-30)÷144(a-4)(b-6)
b)(a+b)square - 11(a+b)-43

Menstruation-
Length of room is50%more than breadth. The cost of carpeting room at rate of ruppes38.50msquare is rup924 and cost of papaering walls is 3.30m sq is ruppe 214.50.If room has one door of dimension 1×2m and two windows each of 1×1.5m,find dimension of room

Answer 2

hope this made u r practise better