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ATQ, Total work = 16 × 10 = 160 man-days. When 10 men work for ‘y’ days, the work done = 10y man-days. Remaining work = 160 - 10y man-days. 6 men complete the remaining work in 15 days, so: 6 × 15 = 90 man-days. Therefore, 10y + 90 = 160 10y = 70 y = 70/10 y = 7
The total population of a village is 1000. The number of males and females increases by 6% and 8% respectively and consequently the population of the vi...
If x = (√5-√3) / (√5+√3) and y is reciprocal of x. then what is the value of √(x3 + y3)?
The volume of water measured on a rectangular field 400m 200m is 8000 . Find the depth (amount) of rain that has fallen.
Area of a rectangle is equal to the total surface area of a hemisphere having volume 13718 cm³ . Find the perimeter of the rectangle if its length is 1...
Each side of a rhombus is 20cm long and the length of one of its diagonals is 24cm, then find the area of the rhombus.(in cm 2 )
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 4.4 km?
A right circular cone has a height of 24 cm and a base radius of 9 cm. What is the total surface area of the cone, including the base?
A solid cone is placed inside a solid hemisphere, both having the same radius and height. If the volume of the cone is 150 cm³, find the total volume o...
The circumference of a circle is equal to the perimeter of a rectangle whose length and breadth are in ratio 13:10, respectively. If the area of the rec...
A farmer wants to fence a rectangular piece of land that measures 20 meters in length and 30 meters in breadth. If the cost of fencing per meter is ₹1...
