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Start learning 50% faster. Sign in nowAccording to Question; Efficiency of pipe ‘A’ = (150/15) = 10 litres/hour Efficiency of pipe ‘C’ = 10 ÷ 1.25 = 8 litres/hour Efficiency of pipe ‘B’ = 8 × 1.5 = 12 litres/hour Time taken by all the pipes together to fill the tank = {150/(10 + 8 + 12)} = (150/30) = 5 hours Or, time taken by all three pipes together to fill the tank = 5 × 30 = 150 minutes
The total area of the piece of glass square 1296 Cm² is. Which is placed above a table. The width between the table and the edge of the glass piece is ...
In a school. 60% of the students passed in an examination. If the number of failed candidates is 240, then the number of candidates that have passed is:
The ratio of length to breadth of a rectangle is 5:4, respectively. Perimeter of rectangle is 288 cm. If each side of a square is 25% more than the brea...
PQRS is a rectangle. T is a point on PQ such that RTQ is an isosceles triangle and PT = 5 QT. If the area of triangle RTQ is 12 √3 sq.cm, then the ar...
The length of the rectangle is triple its breadth. If the perimeter of the rectangle is 64 m, then find the area (in m2) of the rectangle.
The amount of concrete required to build a concrete cylindrical pillar whose base has a perimeter 8.8 metre and curved surface area 17.6 sq. metre, is (...
A right circular cylinder having total surface area of 16940 cm2 is immersed in a vessel completely filled with water. If the height of the c...
In a rectangular floor of length and breadth of 21 metres and 4 metres, respectively, square tiles each of 2 metre edge length are to be laid. If the co...
A pipe fills a cubical tank at the rate of 196 m3 per minute in 14 minutes. If a cylindrical tank having height same as the side of a cubical...
