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$Find the value of x [{(-1/8)^3}^2]^3=(-1/8)^x×(-8)^-10 #exponents #class8 #class9$

The surface area of a solid metallic sphere is 616cm². It is melted and recast into a cone of

Basic maths on your tips

Basic maths on your tips

The surface area of a solid metallic sphere is 616cm². It is melted and recast into a cone of

A streamer covers the distance between ports in 3hours when it goes downstream and 5 hours when it

Find an angle such that the measure of its supplement is 10 degree less than 3 times the measure

I travel 25km in 2.5hours, walking part of the way at 3km/h and covering on scooter the rest at

In figure, O is the centre of the circle, ∠BCO=30, AE⊥BC and DO⊥AE. Find x and y. #class9circles

One-fifth of an estate is left to a sister, one-fourth to a son, one-sixth to a brother and ...

In two concentric circles, a chord of length 24cm of large circle become a tangent to the smaller

An employee works in a company on a contract of 30 days on the condition that he will receive ₹120

The sum of reciprocal of Rehman's age three years ago and 5 years from now is 1/3. Find present age

A boy was p years old r years ago. How old is he now? How old will he be in (p-r) years time?

If -5 is a root of 2x²+px-15=0 & the quadratic equation p(x²+x)+k has equal roots find value of k

A boy gets 3 marks for each correct answer and loses 2 marks for each incorrect answer. He does ..

In fig. OABC is a square of side 7cm. If OAPC is a quadrant of circle with centre O, then find ...

Find four consecutive odd numbers such that three times the largest number added to twice ....

If the perimeter of a sector of a circle of radius 6.5cm is 29cm, then its area is #class10

solve for x : [(7x+14)/3]-[(17-3x)/5] = 6x-[(4x+2)/3]-5 #class8 #lineareqationinonevariable

The ratio between the length and breadth of rectangular field is 1:3. if It's area is 3/4 hectares.

A solid is in form of a cylinder with hemispherical ends. The total height of the solid is 19cm ..

If the area of a sector of a circle bounded by an arc of length 5π cm is equal to 20π cm² then its

Figure represents a cyclist riding from A to B and back again; the double journey takes 5 h. Find x

Find the sum of all the 11 terms of an A.P. whose middle most term is 30. #arithmeticprogression

In the fig, all the corners are right angled and the dimensions are as given in cm. Find a ....

The ratio of the curved surface area and the total surface area of a cylinder is 2:3. Find the ...

The figure shows the lengths in cm of the sides of a triangle. If the triangle is equilateral, ....

The sum of the radius and height of a cylinder is 24 cm and the total surface area of the cylinder.

Ravi scored 30% marks and failed by 15 marks. Deepak scored 40% marks and obtained 35 marks more..

In the given figure, O is the centre of circle and ∠DAB=50. Calculate the value of x and y

Two numbers are respectively 12.5% and 25% more than a third number. Find what percent is first ..

If diagonal of a rectangular field is 16m more than the shorter side. If the longer side is 14m ..

In an examination 96% of the students passed and 500 failed. How many students appeared

Determine the A.P. whose 3rd term is 16 when 5th term is subtracted from 7th terms, we get 12.

An article is sold at a loss of 20%. There is yield of ₹60 more. If the article is sold at a profit

How many terms of the A.P. 18, 16, 14 ….. be taken so that their sum is zero? #arithmeticprogression

When 125 subtracted from a number, it reduces to its 37.5 percent. What is 25 percent of this number

A shopkeeper was selling his items at 25% discount. During off season, he offered 30% discount...

In an election between two persons, 68 votes were declared invalid. The winning person got 52%

Factorise : 16x⁴ - (z - x)⁴ #class8 #factorisation

A solid right circular cone of diameter 14cm and height 8cm is melted to form a hollow sphere...

A Rectangular sheet of paper 40cm × 22cm is rolled to form a hollow cylinder of height 40cm. Find

Factorise 6a^6-21a^4-12a^2 #class8 #factorisation

Sudhir's expense is 30% more than Vimal's and Vimal's expense is 10% less than Raman's. If the sum.

Ten years later, A will be twice as old as B and five years ago, A was three times as old as B.

A dealer makes a profit of 20% even after giving a 10% discount on the advertised price of scooter

A Shopkeeper first increased the price of an article by 25% and then by 20%. What is the total ....

Find the sum of all three digit natural numbers, which are divisible by 11 #class10 #apclass10

The height corresponding to the longest side of the triangle whose side are 42cm, 34cm and 20cm

A candidate A scored 25% marks in an examination and failed by 30 marks, while another candidate ..

The perimeter of a triangle is 50cm. One side of a triangle is 4cm longer than the smaller side ..

A triangle hoarding of dimensions 11m, 6m and 15m is used for commercial activities. The hoarding..

Solve the Equation for x: -4+(-1)+2+.....+x=437 #class10 #arithmeticprogression

An isosceles right triangle has area 8cm² then find the length of hypotenuse #class9 #heronformula

Which term of Arithmetic progression -7, -12, -17, -22, ….. will be -82. Is -100 any term of AP?

If every side of a equilateral Δ is doubled, then find percentage increase in the area of triangle

If the ratio of the 11th term of an AP to its 18th term is 2:3. Find the ratio of the sum of first

The sum of first sixteen terms of AP is 112 and the sum of its next fourteen terms is 518. Find AP

One side of a right angled triangle is 20cm and the difference in lengths of his hypotenuse and ..

The height of an equilateral triangle is 6cm. Find its side. #class9 #heronformula

The sides of a triangle are x, x+1, 2x-1 and it's area is x√10 sq units. find the value of x.

Determine the 10th term from the end of the AP 4, 9, 14, …., 254. #class10 #arithmeticprogression

How many terms of AP 45, 39, 33, .. must be taken so that their sum is 180? Explain double answer

Find three numbers in AP whose sum is 12 and sum of their cubes is 408 #arithmeticprogression

Solve for x: x²-(√3+1)x+√3=0 #quadraticequation #class10

If x=2/3 and x=-3 are root of the quadratic equation ax²+7x+b=0, Find the value of a and b

A train travels at a certain average speed for a distance of 63km and then travels a distance of 72

Find the following quadratic equation 9x²-6b²x-(a⁴-b⁴)=0 #quadraticequation #class10

In a painting competition of a school, a child made Indian flag whose perimeter was 50cm. It's area

In an AP Sn=n(4n+1) then find the AP. #class10 #arithmeticprogression

If the HCF of 210 and 55 is expressible as 210x-19×55 then x=? #class10 #realnumbers

The sum of four numbers in A.P. is 42. If the product of extreme terms is 90. Find the numbers.

Find the three numbers in A.P. whose sum is 36 and their product is 960 #arithmeticprogression

Find four numbers in A.P. whose sum is 20 and the sum of whose square is 120 #arithmeticprogression

A circle is touching the side BC of ΔABC at p and touching AB and AC produced at Q and R ..

A cubical block of side 10cm is surmounted by hemisphere. What is largest diameter that #class10

Find the largest number that divides 2053 and 967 and leaves the remainder of 5 and 7 respectively

The surface area of a sphere of radius 5cm is five times the area of curved surface area of cone

If α, β are the zeroes of the quadratic polynomial p(x)=x²-(k+6)x+2(2k-1) then the value of k

If the square of the difference of the zeroes of the quadratic polynomial p(x)=x²+px+45 is equal to