Questions

The innermost layer is the core with a radius of about ___________ km.

Which country taken over the Chair of the Group of 77 (G-77) for 2019?

$$\begin{gathered} ∆ABC is similar to ∆PQR. If ratio of perimeters of ∆ABC and ∆PQR is 1:2 and \\ if PQ = 10 cm then what is the length of AB (in cm)? \end{gathered}$$

Which of the following is not correctly matched?

Ajanta Caves is in ______.

What is the basis of first level of classification among plants?

In male reproductive system, the testes are situated outside the abdominal cavity within a pouch called __________.

What is the base of the Octal Numeral System?