Question

the dimension of a room are 12.5 m by 9 m by 7 m. there are 2 doors and 3 window in the room. each door measures 2.4 m by 1.5 m and each window 1.4 m by 1.2 m. Find the cost of painting the walls at the ₹ 3.50 per square metre

Answer 1

Let us assume that Hasan bought x meters of trouser materialso the shirt material Hasan bought is 3/2x = 1.5xCost of the trouser material is 90x and cost of shirt material is 50*1.5 x = 75xHe sells shirt material at a profit of 12%. So sales price is (12+100)*75x/100 = 84xHe sells trouser material for a profit of 10% so sales price is (10+100)*90x/100 = 99xNow total sale is 36,60099x + 84x = 36,600183x = 36600x = 200He bought 200 m of trouser material