Mathematics
A rectangular plot has an area of 24 m2. If its perimeter is 20 m, find its length.
Related Questions
A two digit number contains the largest digit at ten's place. The product of the digits is 27 and the difference between two digits is 6. Find the number.
₹480 is divided equally among 'x' children. If the number of children were 20 more, then each would have got ₹12 less . Find 'x'.
A rectangular garden 10 m by 16 m is surrounded by a concrete walk of uniform width. The area of concrete walk is 120 square metre.
Assuming the width of the walk to be x m, form an equation in x and solve it to find the value of x.
A stone is thrown into air from the top of a building of height h m. The height of the stone (in metres) above the ground after t seconds is given by h(t) = 5t2 + 30t + 2; where t is the time from when the stone is thrown.
(i) How high will the stone be from the ground after 2 seconds?
(ii) From what height, above the ground, the stone is thrown?
(iii) At what time will the stone be 37 m above the ground?
