MADHUBUN HOUSING SOCIETY HAS 7 BUILDINGS WITH 24 FLATS EACH AND 20 BUILDINGS WITH 51 FLATS EACH . HOW MANY FLATS ARE THERE IN THE SOCIETY ?

Answer :

Given : Madhuban housing society has 7 buildings with 24 flats each and 20 buildings with 51 flat each .
So,

Total number of flats in society  =  7 $\times$ 24  +  20 $\times$ 51  =  168 + 1020 = 1188                                   ( Ans )