04:04

A Shopkeeper has just enough money to buy 52 cycles worth ₹525 each. If each cycle were to cost ₹21

06:33

The sum of the areas of two square is 157m². If the sum of their perimeter is 68m. Find the sides

03:58

66m³ of silver is drawn into a wire 1mm in diameter. What is the length of wire in meters? #class8

06:13

How many terms of the A.P. 24, 21, 18 must be taken so that their sum is 78? #arithmeticprogression

05:42

The sum of first six terms of arithmetic progression is 42. The ratio of its 10th term to its 30th

03:26

Find the value of x when in the A.P. given below 2+6+10+...……+x=1800 #arithmeticprogression

06:35

A road 3.5m wide surrounds a circular plot whose circumference is 44m. Find the cost of paving ...

05:27

The perimeter of a right triangle is 60cm. Its hypotenuse is 25cm. Find the area of the triangle.

04:52

A circular pond has a 90cm wide footpath along the edge. A man walks around the outer edge...

04:58

Find the sum of first 30 terms of an A.P. whose second term is 2 and seventh term is 22. #class10

05:16

simplify (9^6×4×12^4)/(6^3×8^2×27×3^10) #exponents #class7 #class8

03:39

The diameter of the wheel of a car is 70cm. How many revolutions will it make to travel 99km.

05:07

What percent above the cost price should a shopkeeper mark his goods so that after allowing a

03:23

The perimeter of a sector of a circle of radius 5.2m is 16.4m. find the area of sector #class10

03:34

A rectangular aluminium sheet having dimensions 22cm×31cm is rolled into a cylinder. Find volume,

03:56

Find the difference of the area of a sector of angle 120 and its corresponding major sector of a

04:58

The height of a wall is six times its width and the length of the wall is seven times its height.

04:18

If five times the fifth term of an A.P. is equal to 8 times its eighth term, show that its 13th....

07:36

A certain number between 10 and 100 is 8 times the sum of its digits. If 45 is subtracted from it

02:44

If piece of wire 20cm long is bent into the form of an arc of a circle subtending an angle of 60

06:21

The sum of a number of two digits and the number formed by reversing the digit is 110 and the...

05:36

Find the area of a rhombus whose one side is 13cm and one diagonal is 24cm. #mensuration #class8

04:40

The mode of the following series is 154. Find the missing frequency f. #statistics #mode

05:08

The sum of the digit of a 2 digit number is 12. The number is 6 times the unit digit. Find number.

05:17

If the mode of the following data is 45. Find x and y, given Σfi=50. #statistics #mode

06:05

Find the value of k, if the point p(2,4) is equidistant from the point A(5,k) and B(k,7).

04:34

Simplify (a+b)(2a-3b+c)-(2a-3b)c #algebraicexpressions #class8

04:35

The base radius & height of a right circular solid cones are 2cm and 8cm respectively. It is melted

05:23

multiply (sx²-7x+2) by (2x²-3x-5) #algebraicexpressions #class8

03:43

For what value of n are the nth terms of two A.P's 63,65,67,...…… and 3,10,17,...…….. are equal.

02:57

In the given figure, If AB=BC and ∠A=∠C then find the value of x #class9Triangles #Triangles

06:44

solve (a) Add √125+2√27 & -5√5-√3

01:53

Two cubes, each of side 6cm, are joined end to end. Find the volume of the resulting cuboid.

05:34

In the given figure, if AD=BD=CD, find the ∠BAC. #class9Triangles #Triangles

03:50

Find the area of the trapezium EFGH having measurement as shown in the figure. #mensurationclass8

07:29

Sum of the area of two square is 400 cm². If difference of their perimeters is 16cm. Find sides

05:30

Two solids of right cylindrical shape are 49cm & 35cm high and their base diameters are 16cm, 14cm

03:21

The area of a trapezium is 248cm² and its height is 8cm. If one of its parallel side is smaller

05:19

An iron pipe 20cm long has exterior diameter equal to 14cm. If the thickness of the pipe is 1cm

03:19

Two cans have the same height equal to 21cm. One can is cylindrical with diameter of base equal

04:36

The volume of metallic cylindrical pipe is 748cm². Its length is 14cm & its external radius is 9cm

03:17

Find circumference of circular base of a cylinder having curved surface area 528cm² & height 12 cm

03:39

If 3^x - 3^x-1 = 54 then find the value of x #numbersystem #class9maths #exponents

04:47

How many bricks, each measuring 25cm×11.25cm×6cm be needed to build a wall 8cm×6cm×22.5cm?

04:07

If there are two cones one of which has surface area double of the other, slant height of second

02:57

If a sphere just fits in a right circular cylinder then the ratio of curved surface area of sphere

03:09

The volume of a cylinder is 448π cm³ & height is 7cm. Find curved surface area & total surface area

03:52

If the mean of the following frequency distribution is 49, find the missing frequency p #statistics

08:12

In the following figure BC=radius OB. Find the value of ∠OCB= #class9circles #circles

02:54

If sphere just fits in right circular cylinder then the ratio of the volume of sphere to the volume

05:23

The volume and curved surface area of a cylinder are 616m³ and 352m² respectively. Find the total

04:58

A sphere of radius 6cm is dropped into a cylindrical vessel, partly filled with water. The radius

05:12

If x=2^y and (9×3^2x-3^x×3^x-2)/2=360 find the value of y #numbersystem

04:06

A spherical iron ball is dropped into a cylindrical vessel of base diameter 14cm containing water

03:08

The volume of a cube is 4913 cm². Find its(1) lateral surface area (2) Total surface area

03:34

If base radius of a right circular cylinder is halved, Keeping the height same, Find the ratio of

03:50

The radius and height of cylinder are in the ratio 3:2 and its volume is 19404 cm². Find its radius

04:06

A Wooden article was made by scooping out a hemisphere from each end of a solid cylinder ....

06:00

A sphere, a cylinder and a cone are of the same radius and same height. Find the ratio of their

07:37

The median of following data is 20.75. Find missing frequencies x and y. If total frequency is 100.