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Anjali B Theruvan
Subject: Maths, asked on 9/3/15
water flows in a tank 150m×100m at the base,through a pipe whose cross section is 2dm by 1.5dm at the speed of 15km per hour. In what time,will the water be 3 metres deep?
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Hafsa Ahmed
Subject: Maths, asked on 8/3/15
A cubical water tank is filled by tap water at the rate of 1.4 litres per second. Find the length of an edge of the tank in centimetres if the tank is completely filled in 28 minutes.
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Hafsa Ahmed
Subject: Maths, asked on 8/3/15
Water is flowing ay the rate of 2.5 kmph through a cylindrical pipe of radius 7 cm into a rectangular tank of length 25 m and 22 m width. In 5 hrs how much is the rose in the level of water in the tank?
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Aditi
Subject: Maths, asked on 28/2/15
A metallic sheet is of rectangular shape with dimensions 48*36cm. From each one of its corners, a sq. Of 8 cm is cutoff. An open box is made of the remaining sheet. Find the volume of the box.
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Prince Second
Subject: Maths, asked on 25/2/15
A hemispherical bowl made of iron has inner radius 7 cm. Find the cost of polishing inner hollow portion of bowl at the rate of Rx. 10 per 100 cm^2.
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Prince Second
Subject: Maths, asked on 24/2/15
A hemispherical bowl is made 0.50 c think brass. The inner radius of the bowl is 6 cm. find hte outer csa and volume of the bowl.
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Prince Second
Subject: Maths, asked on 24/2/15
A e stand is cylindrical in shape with the base radius 3.5 cm and height 10.5cm how much cardboard will be requried to make 25 such pen stands? Also find the volume of 1 pen stand.
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Prince Second
Subject: Maths, asked on 24/2/15
The intrenal and external diameters of a hollow hemisphercial vessel are 24 cm and 25cm repext. if the cost of painting 1 cm^2 of the surface are is 005 rs. then find the total cost of panting the vessell all over.
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Prince Second
Subject: Maths, asked on 24/2/15
A cuboidal room has dimensions 20 m * 10 m * 5m and a cubical room has dimensions 10 m * 10 m *10 m find the ratio of their tsa
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Prince Second
Subject: Maths, asked on 23/2/15
the cost of a book is 10 times the cost of a note book. The linear equation representing this is :
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Prince Second
Subject: Maths, asked on 23/2/15
A powder tin has square base with side 8 cm and height 13 cm. Another powder tin is cylinder with bass radius 7 cm and height15 cm. Which of the two contains more powder ? Also find the difference of their capacities.
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Prince Second
Subject: Maths, asked on 23/2/15
Find the mass of 300 steel spherical ball bearings each of whic has radius 0.7 cm gives htat density of steel is 8 g/cm3.
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Prince Second
Subject: Maths, asked on 23/2/15
When a stone is falling from a mountain, its initial velocity is 0 and the accleration due to gravity is 9.8 m/s2. Velocity of the same given by v = 9.8 t. Draw its graph and from graph find the velocity of the stone 1 second after the start.
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Prince Second
Subject: Maths, asked on 23/2/15
For the linear equation 3x-5y - 15 = 0, find the pints where its graph intersects x and y axis. Using these, draw the graph of the equation.
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Prince Second
Subject: Maths, asked on 23/2/15