If the sum of the diagonals of a rhombus is $10$ $\mathrm{cm}$ and its perimeter is $4\sqrt{13}$ $\mathrm{cm}$, then the lengths of its diagonals are:

Chapter-Wise 3D Mathematics, English, General Knowledge/General Awareness Videos from R. Gupta Combined Defence Services Examination

08 min 43 sec

Sum of First n Odd and Even Natural Numbers

In this video, the formulas for Sum of First n Odd/Even Natural Numbers are discussed. The content in this video is helpful to solve the related problems on this topic.

15 min 29 sec

Ratio and Proportion Concept

In this video, the basic concepts of Rtion and Proportion are discussed. The content in this video is helpful to solve the Ratio and Proportion related problems.

12 min 00 sec

Proportion and Variation

In this video, the basic concepts of Proportion and Variation are discussed. The content in this video is helpful to understand variation and its applications.