Question
Perimeter of a square shaped plot is 96 metres and the
area of a rectangular plot is 65% more than that of the square shaped plot. Find the area (in m2) of a rectangular plot?Solution
Perimeter of square shaped plot = 96 metres Let length of each side of the square shaped plot be ‘a’ metres. So, 4a = 96 Or, a = 24 Area of square shaped plot = 24 × 24 = 576 m2 Area of rectangular plot = 1.65 × 576 = 950.4 m2
- Sonia and Riya decided to complete a piece of work together. Sonia is capable of doing 9 units of work per day, whereas Riya can finish the complete task a...
- ‘P’ and ‘Q’ together can finish a task in 15 days while ‘Q’ alone can do it in 25 days. If the ratio of efficiencies of ‘P’ and ‘R’ is ...
P works thrice as fast as Q, whereas P and Q together can work four times as fast as R. If P&Q and R together work on a job, in what ratio should they s...
Time taken by A and B together to complete a work is 1 day less than the time taken by B alone to complete the same work. With his half efficiency B can...
'P' and 'Q' can finish a piece of work in 45 days and 90 days, respectively. 'P' starts working alone, and 'Q' joins after 'r' da...
- Time taken by 'X', 'Y' and 'Z' to finish a task is 48 days, 72 days, and 96 days respectively. All started the task together, but 'X' left 12 days before c...
‘R’ alone can build a wall in 40 days. Together, ‘R’ and ‘S’ can do it in 25 days. If ‘S’ worked for 8 days alone and stopped, how many ...
P alone can finish a piece of work ‘M’ in 6 days while Q takes 3 days to finish it alone. P, Q and R working together can finish the work &l...
‘A’ alone can complete a work in 18 days. ‘B’ alone can complete the same work in 25 days. If ‘A’ and ‘B’ work together for 5 days, then...
- A firm assigned 10 technicians to complete an assignment in 30 days. After 12 days of work, 4 technicians were moved to another location. What is the exten...
Relevant for Exams:
