### CBSE XI Science Mathematics Straight Lines

## Please help..

**nitishkrnehu09**9th December 2017 12:59 PM

### ICSE IX Mathematics Mensuration II

## The cost of papering the four wall of a room at 75 paise per square meter is ₹ 240 .The height of the room is 5 meter. Find the length and the breadth of the room, if they are in ratio 5:3.

**Mohd**4th January 2018 11:05 AM

### CBSE X Mathematics

## A right circular cone is divided by a plane parallel to its base in two equal volumes. In what ratio the plane divides the axis

**tultuldutta58**7th January 2018 9:54 PM

### ICSE X Mathematics

## The surface area of a solid metalled sphere is 616cm.sq. If is melted & recasted into smaller spheres of diameter 3.5cm

**Alexander**6th February 2018 5:41 PM

### ICSE VI Mathematics

## The volume of a room is 199.5 m3.the area of the room is 47.5sq.m.find the height of the room

**Kumkumrajpootabc**14th February 2018 12:35 PM

### ICSE X Mathematics

## A circular tank of diameter 2m is dug and the earth removed is spread uniformly all around the tank to form an embankment 2m in width and 1.6m in height . Find the depth of the circular tank.

**yashigupta205**15th February 2018 3:06 PM

### CBSE IX Mathematics

## conical tent is made of 4.5 m wide tarpaulin. Vertical height of the conical tent is 4 m and base radius is 3 m. Find the length of the tarpaulin used, assuming that 10% extra material is required for stitching margins and wastage in cutting (Take π = 3.14)

**gujarsurjeet007**17th February 2018 4:06 PM

### CBSE VIII Mathematics

## Two solids of right cylindrical shape are 49cm and 35 cm high and their base diameters are 16 cm, 14cm respectively. Both are melted and moulded into a single cylinder, 56 cm high. Find its base diameter.

**kirtiagarwal148**17th February 2018 5:17 PM

### CBSE IX Mathematics

## The slant height of a cone is increased by 10 %. If the radius remains the same, find the increase (in %) in the the Curved Surface Area.

**mandaokar**17th February 2018 9:38 PM

### ICSE X Mathematics

## A solid cone of base radius10 cm is cut into two parts through the mid point of its height,bya plane parallel to its base.Find the ratio in the volumes of the two parts of the cone

**anil**21st February 2018 6:50 PM

### CBSE X Mathematics

## What will be the total surface area of hollow cylinder ?

**1875012872798739**24th February 2018 10:19 AM

### CBSE X Mathematics

## A hemispherical depression is cut out from one face of a cubical woden block such that the diameter L of the hemispheical is equal to the edge of the cube.Determine the surface area of the remaining solid.

**Rajendra Beniwal**25th February 2018 10:29 AM

### CBSE IX Mathematics Surface Areas and Volumes

## Q.no 16

**538049503243584**28th February 2018 5:15 PM

### CBSE IX Mathematics

## A wall 6m long, 5m high and 0.5cm thick is to be constructed with bricks, each having length 25cm, breadth 12.5cm and height 7.5cm.Find the no. of bricks required to construct the wall, if it is given that cement and sand mixture occupy of the volume of the wall ? ( PLS ANS URGENTLY)

**Vikas**5th March 2018 12:00 PM

### CBSE VIII Mathematics

## A cylindrical roller is used to level a rectangular playground . The length of the playground is 3.5 m and its diameter is 2.8m . If the roller rolls over 200 times to completely cover the ground, find the area of the playground

**deepikankur**17th March 2018 6:53 PM

### ICSE X Mathematics

## Topic : Mensuration The diameter of a sphere is 5cm. Find the length of the edge of a cube which has the same surface as that of the sphere.

**Pankaj**30th September 2018 10:12 PM

### ICSE X Mathematics

## A sector of radius 35cm is cut out of a thin cardboard with angle 180 degree. It is folded I to a cone of maximum size. Find the curved surface and the volume of the cone. π=22/7

**Pankaj**30th September 2018 10:13 PM

### ICSE X Mathematics

## A wooden cone has an outer radius of 60cm and an inner radius of 50cm. The outer and inner heights are 40cm and 36cm respectively. Find the volume of the wood in the cone. π=3.14

**Pankaj**30th September 2018 10:13 PM

### ICSE X Mathematics Mensuration: Cylinder, Cone and Sphere

## A circular room has a hemispherical roof. The greatest height is equal to the inner diameter. If the capacity of the room is 48510 cu.m, find the circumference of the floor. π=22/7

**Pankaj**30th September 2018 10:14 PM

### ICSE X Mathematics Mensuration: Cylinder, Cone and Sphere

## A manufacturer of foam-filled beach balls packs each one into a cubic box of side 40 cm into which it will just fit.

Calculate the volume of (i) box (i) ball (iii) śpace wasted, which is the space inside the box, not

occupied by the ball.

The manufacturer later decides to use boxes of the same size to pack 8 smaller beach balls of

diameter 20 cm each. Will there be more or less

wasted space? Take

Calculate the volume of (i) box (i) ball (iii) śpace wasted, which is the space inside the box, not

occupied by the ball.

The manufacturer later decides to use boxes of the same size to pack 8 smaller beach balls of

diameter 20 cm each. Will there be more or less

wasted space? Take

**Pankaj**30th September 2018 10:24 PM

### ICSE X Mathematics

## A circular hall has a hemispherical roof. The greatest height is equal to the inner diameter. Find the area of the floor,given capacity of then hall is 48510 cube m.

**jaiswalsindhuli717**28th October 2018 2:15 PM

### CBSE VIII Mathematics

## Find the curved surface area of a cylinder of height 28 cm is 352 SQ. Cm . Find the diameter of the base of the cylinder

**gagandeshwal220**25th December 2018 6:49 PM

### Junior V Mathematics

## A water tank is 5 feet high 10 feet in length and 7 feet wide placed on the roof of a house. A solid brick of length 4 feet, breadth 2 feet and height 1 feet is sitting at the bottom of the tank. This tank is filled completely with water. What is the volume of the water tank?

**Yograjsuhag**26th December 2018 6:40 PM

### CBSE XI Science Mathematics Conic Sections

## A stadium is in circular shape. Within the stadium some areas have been allotted for a hockey court and a javelin range, as given in the figure. Assume the shape of the hockey court and the javelin range to be square and triangle, resp. The curators would like to accommodate a few more sports in the stadium. Help them by measuring the unallocated region within the stadium.(the radius of the stadium is 200 mts.)

**rushabh1234**23rd January 2019 8:59 PM

### CBSE VIII Mathematics Mensuration

## A lawn is 80 m long and 30 m wide. Through the centre of the lawn, two paths, each 2 m wide, intersect each other at right angle. Find the area of the remaining portion of the lawn.

**helloajayhello**25th January 2019 3:38 PM

### Nagaland X Mathematics

## A circular hole of diameter 7cm is curved out from a cube of side 21cm.find the total surface area and volume of the remaining cube

**Sennaro3026**28th January 2019 11:41 AM

### ICSE VIII Mathematics Surface Area and Volume of Solids

## a lump of metal 136cm square and weighting 270 g is hummered into acube of side 2cm .find the weight of the cube so formed

**sunnypacer**1st February 2019 5:12 PM

### Junior V Mathematics

## How many cards can be made out of a sheet of paper measuring 324cm by 144cm,if each card requires a piece of paper of size 16 cm by 12 cm?

**choudharynisha783**1st February 2019 9:53 PM

### CBSE VIII Mathematics Mensuration

## The wall of length 10 m. was to built across an open ground .the height of wall is 4m. And thickness is 24 cm . If this wall is to built uo with bricks whose dimension are 24cm×12cm×8cm, how many bricks would be required ? Ans - 4167

**Mohdayaz9921**2nd February 2019 8:27 PM

### CBSE VIII Mathematics Mensuration

## A silver paper covers a packet of 10 choclates Coin of radiud 2cm and 7mm thickness. How much paper need to cover 1000 such packets.

**Nimmi**4th February 2019 12:59 PM

### CBSE VII Mathematics Perimeter and Area

## This is the quest

**puneet89upadhyay**6th February 2019 9:51 PM

### ICSE VII Mathematics Mensuration

## A table top is 9 dm 5 cm long and 6dm 5 cm borad.what will be the cost to polish it at the rate of 20paisa per sq. Cm.

**sonal.engineer22**14th February 2019 9:46 PM

### CBSE IX Mathematics Surface Areas and Volumes

## A conical tent is to accomodate 11 person.Each person must have 4 square metres of space on the ground and 20 cubic metres of air to breath.Find the height of the tent

**hridhyavijay**16th February 2019 10:34 PM

### CBSE IX Mathematics Surface Areas and Volumes

## A hemispherical bowl of internal diameter 36cm contains a liquid is to be filled in a cylindrical bottles of radius 3cm and height 6cm.How many bottles are required to empty the bowl

**hridhyavijay**16th February 2019 10:36 PM

### Junior V Mathematics

## how many bricks are required to build a wall of height 2.88 m and 50 cm,if the lengh of each brick is 12 cm and breadth is 10 cm.

**nayakkiran141**17th February 2019 7:09 PM

### ICSE VIII Mathematics Surface Area and Volume of Solids

## A tank 8m ×4m ×2m is filled with water.Find the volume of the water in litres.

**svengg008**18th February 2019 6:30 PM

### Junior V Mathematics

## A rectangular field is 50 m long and 45 m wide. Find the cost of polughingh the field at 3.50 rupees per square meters

**Kumaramit76987**2nd March 2019 4:00 PM

### CBSE VI Mathematics Mensuration

## A rectangular courtyard is 18 m 72 cm long and 13 m 20cm broad. it is to be paved with square tiles of the same size.find the least possible number of such tiles

**ayushkumarsinha0804**7th July 2019 12:23 PM