Hot questions

0 votes

0 answers

Using `a^2 – b^2 = (a + b) (a – b)`, find `51^2 –

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

0 votes

0 answers

Draw the front view, side view and top view of the given objects. A nut -(d) A hexagonal block

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

0 votes

0 answers

Is it possible to have a polyhedron with any given number of faces? (Hint: Think of a

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

0 votes

0 answers

A closed cylindrical tank of radius 7 m and height 3 m is made from a sheet of metal. How much sheet of metal is

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

0 votes

0 answers

The lateral surface area of a hollow cylinder is 4224 `cm^2`. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of rectangular

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

0 votes

0 answers

A milk tank is in the form of cylinder whose radius is 1.5 m and length is 7 m. Find the quantity of milk in litres that can be stored in the

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

0 votes

0 answers

Simplify and express the result in power notation with positive exponent.

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

A machine in a soft drink factory fills 840 bottles in six hours. How many bottles will it fill in five

asked Jan 17, 2022 in 8th-maths by Simran (1.8k points)

0 votes

0 answers

A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. What is the actual length of the bacteria? If the photograph is enlarged 20,000 times only, whatwould be its enlarged

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

0 votes

0 answers

Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `p^5 –

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `(a – b)^2 – (b –

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

0 votes

0 answers

Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `8a^3 –

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

0 votes

0 answers

Perform the following divisions: `(x^3y^3 + x^2y^3 – xy^4 + xy) -:

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

Factorise the expressions and divide them as directed: `(3x^2 – 48) -: (x –

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

If a + b = 25 and `a^2 + b^2 = 225`, then find

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

Find the value of a, if `9a = 76^2 –

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

0 votes

0 answers

The product of two expressions is `x^5 + x^3 + x`. If one of them is `x^2 + x+ 1`, find the

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

0 votes

0 answers

The figure shows the dimensions of a wall having a window and a door of a room. Write an algebraic expression for the area of the wall to be painted.

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

0 votes

0 answers

The distance between earth and sun is 150 million kilometres which can be written in exponential form as

asked Jan 17, 2022 in 8th-maths by uday (1.6k points)

0 votes

0 answers

For any two non-zero rational numbers x and y, `x^4 -: y^4` is equal

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

Hot questions

Categories