let the total work =1 M1 D1 H1/W1 = M2 D2 H2/W2 24×16 / (1/2) =48×D2 /1 D2 =16days.
A square is converted into a rectangle by increasing its length by 30 % and decreasing its width by 10%. Which of the following statements is true?
Some balls are to be distributed among some boys. If 5 more balls are available, each boy gets 8 balls. If 6 less balls are available, each boy gets 4 b...
The ratio of the length to the breadth of a rectangular park is 3:2. If a man cycling along the boundary of the park at the speed of 18 km/hr completes...
The radius of a right circular cylinder is 4 times its height. If the height of the cylinder is 2.5 cm, then what is the volume of the cylinder? (in cub...
John had to multiply 'a' by 'b'. He however multiplied 'a' by 22.5 and obtained 423 as the product. Selina also had to multiply 'a' by 'b'. She however ...
The volume of a conical water tank is 4928 m³ and the area of its base is 616 m². Find the length of the canvas required to build the tank if the widt...
A rectangular reservoir of 2800 m3 capacity has length and height equal to 10 m and 40 m respectively. if 420 m3 of water is taken...
If cot x – tan x = 3/2, then what will be the value of cot x + tan x?
A rectangular tank is 50 meter long and 29meter deep. If 1000 cubic meters of water be drawn off the tank, the level of the water in the tank goes down ...
