Suresh wanted to lay a new carpet in his new mansion with an area of 70 x 55 sq. mts. However an area of 500 sq. mts. had to be left out for flower pots. If the cost of carpet is Rs. 50 per sq. mts., how much money (in Rs.) will be spent by Suresh for the carpet now?
A. Rs. 1,65,000
B. Rs. 1,92,500
C. Rs. 2,75,000
D. Rs. 1,27,500
GATE 2019 · General Aptitude · Geometry · medium
Answer: Total carpet cost = Rs. 1,65,000 (Option A)
Calculate gross mansion area: Area = 70 x 55 = 3850 sq. m
Subtract flower pot area: Net area = 3850 - 500 = 3300 sq. m
Compute total carpet cost: Total cost = 3300 x 50 = Rs. 1,65,000