1 1 vote Rishi got two halls in his house painted. It cost him $₹6,000$ and $₹6,100$ respectively to paint the $4$ walls of his $2$ square halls, of the same height. If the length of one hall exceeds the length of the other by $1$ m and the cost of painting is $₹5$ per sq.m, what is the height of the two halls? $3$ m $5$ m $7.5$ m $10$ m Quantitative Aptitude nielit2017dec-assistanta numerical-ability height-distance + – Lakshman Bhaiya 12.3k points 3.7k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.
1 1 vote Option B. 5 m h * a * 4 * 5 = 6000 …...(1) h * (a+1) * 4 * 5 = 6100 …….(2) By solving eqn (1) and (2) you will get a = 60 and h = 5 Madhav answered Sep 10, 2020 Madhav 3.6k points comment Share Follow See 1 comment 1 1 comment reply Sourabh Kumar_1 10 points commented Feb 14, 2023 reply Follow flag your approach is right. but a slight error .although it will not change the answer. in the question given hall is square not rectangle. 0 0 replyShare Please log in or register to add a comment.
