Science 

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Factorise the following using appropriate identities 

• 4y²-4y-1

Factorise the following using appropriate identities 

• 4y²-4y-1

Find five rational number between-5 and 2

Metal sphere each of the radius 2 um are packed into a [ box of internal dimensions 16 cm x 8cm x 8 cm. when 16 spheres are packed the box is filled with preservative liquid. Find the valume of this liquid. ( π= 3.14).

A tangent is drawn 

Find the area of a square whose perimeter is 84 CM please the answer

Find the area of a square whose perimeter is 84 cm

Class 7 ncert chapter 5 solutions 

Construct a triangle having the sides length (all the units are in c.m)4,6 and 8. Write the steps of construction. Draw a triangle

1-cos theta/sin theta =1/5
1 + tan theta =?

Important questions from polynomials 

Degree measure theorem 

How many union territories in india 

KiMaya and Heena started walking from the point p at the same moment in a opposite direction on 800 M long circular path as given below. Kimaya walked to the Clubhouse at an average speed of 100 M per minutes and Heena walked to the badminton court at an average speed of 80 m per minute. The length of the circular track between the club house and the badminton court is 180 M. If Heena took one minute more than Kimaya to reach her destination find the time taken by Heena to reach the badminton court show your work

Prove that the circle drawn on any one of the equal side of an isosceles triangle as a diameter, bisects the third side

In a fort 300 soldiers had provision for 90 days.  After 20 days 50 soldiers left the fort how long would the food last 

Derivative of sinx

Find out the surface area of hemisphere having radius=2.1cm
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