July 2020

Class 10 – Mathematics Statistics – Exercise 14.4

Class 10 – Mathematics Statistics – Exercise 14.3

Class 10 – Mathematics Statistics – Exercise 14.2

Class 10 – Mathematics Statistics – Exercise 14.1

Class 10 – Mathematics Surface Areas and Volumes Exercise – Exercise 13.5 Exercise 13.5                                      Exercise 13.5 Question : 1:A copper wire, 3 mm in diameter, is wound about a cylinder whose length is 12 cm, and diameter 10 cm,…

Class 10 – Mathematics Surface Areas and Volumes Exercise – Exercise 13.4 Exercise 13.4 Question : 1:A drinking glass is in the shape of a frustum of a cone of height 14 cm. The diameters of its two circular ends…

Class 10 – Mathematics Surface Areas and Volumes Exercise – Exercise 13.3 Exercise 13.3 Question : 1:A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. Find the height…

Class 10 – Mathematics Surface Areas and Volumes – Exercise 13.2 Exercise 13.2 Question : 1:A solid is in the shape of a cone standing on a hemisphere with both their radii being equal to 1 cm and the height…

Class 10 – Mathematics Surface Areas and Volumes – Exercise 13.1 Exercise 13.1 Question : 1: 2 cubes each of volume 64 cm3 are joined end to end. Find the surface area of the resulting cuboid. Answer : Given that,…

Class 10 – Mathematics Triangles – Exercise 6.5 Exercise 6.5 Question : 1:Sides of triangles are given below. Determine which of them are right triangles. In case of a right triangle, write the length of its hypotenuse. (i) 7 cm,…

Class 10 – Mathematics Areas Related To Circles – Exercise 12.3 Exercise 12.3 Question : 1:Find the area of the shaded region in Fig. 12.19, if PQ = 24 cm, PR = 7 cm and O is the centre of…

Class 10 – Mathematics Areas Related To Circles – Exercise 12.1 Exercise 12.1 Question : 1:The radii of two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has circumference equal to the sum…