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Prince Second
Subject: Maths
, asked on 23/2/15
how many metres of cloth 3m wide will be required to make a concial having radius of the base 5 m and height 12m.
Answer
1
Prince Second
Subject: Maths
, asked on 23/2/15
Draw the gra[h of the equation x-2y = 3. From ht egraph find the coordinates of hte points when x= 5 and y = 0.
Answer
1
Prince Second
Subject: Maths
, asked on 23/2/15
In a Parallelogram ABCD , angleD = 125
0
find the value of angleA angleB
Answer
1
Prince Second
Subject: Maths
, asked on 23/2/15
The radius of a wire is decreased to half. If volume remains the same, then what the length will become.
Answer fast pls
Answer
1
Vatsala Sharma
Subject: Maths
, asked on 31/1/15
A rectangular cistern 60 cm long, 45 cm broad contains some water. A rectangular solid measuring 35 cm by 30 cm by 9 cm is immersed under water and rests at the bottom. Find by how much the water level rises in the cistern.
Answer
1
Kapil Chandak
Subject: Maths
, asked on 21/1/15
The string of length n is wound on the exterior four walls of a cube of side 'a' cm starting at point C and ending at point D exactly above C, making 4 turns equally spaced. The side of the cube is ______.
(A)
(B)
(C)
(D)
Answer
1
Manya .
Subject: Maths
, asked on 13/1/15
The outer dimensions of a closed wooden box are 10 cm by 8 cm by 7 cm. Thickness of the wood is 1 cm. Find the total cost of wood required to make box if 1cm of wood costs Rs.2.00.
Please give answer as soon as possible!!
Answer
1
Sreeramachandrarao Manasala
Subject: Maths
, asked on 8/1/15
A match box measures 4x1.5x2.5 cms. What will be the volume of a packet containing 12 such boxes.
Answer
1
Shruti Vyas
Subject: Maths
, asked on 2/1/15
please elaborate question no.5 of exercise 18.1 (R D Sharma)
Answer
3
Devansh Agrawal
Subject: Maths
, asked on 16/12/14
A rectangular tank is 225 m by 162 m at the base. With what speed must water flow into it through an aperture 60 cm by 40 cm that the level may be raised 20 cm in 5 hours?
Answer
1
Devansh Agrawal
Subject: Maths
, asked on 16/12/14
Water flows in a tank 150 m*100 m at the base, through a pipe whose cross-section is 2 dm by 1.5 dm at the speed of 15 km per hour. In what time will the water be 3 metres deep?
Answer
1
Devansh Agrawal
Subject: Maths
, asked on 16/12/14
A rectangular water reservoir is 10.8 m by 3.75 m at the base. Water flows into it at the rate of 18 m per second through a pipe having the cross section 7.5 cm*4.5 cm. Find the height to which the water will rise in the reservoir in 30 minutes.
Answer
1
Devansh Agrawal
Subject: Maths
, asked on 16/12/14
A rectangular tank measuring 5 m*4.5 m*2.1 m is dug in the centre of the field measuring 13.5 m*2.5 m. The earth dug out is spread evenly over the remaining portion of the field. How much is the level of the field raised?
Answer
1
Devansh Agrawal
Subject: Maths
, asked on 16/12/14
A rectangular reservoir is 120 m long and 75 m wide. At what speed per hour must water flow into it through a square pipe of 20 cm wide so that the water rises by 2.4 m in 18 hours
Answer
1
Devansh Agrawal
Subject: Maths
, asked on 16/12/14
Water in a canal, 30 dm wide and 12 dm deep, is flowing with a velocity of 20 km per hour. How much area would it irrigate in 30 min, of 9 cm of standing water is desired?
Answer
1
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