1)    The density of which of the following metals is lower than that of water?

A) Rhodium

B) Molybdenum

C) Gallium

D) Lithium

Lithium has a density of approximately 0.53 g/cm³, which is much lower than that of water (1 g/cm³). It is one of the only metals that can float on water, while other options listed have densities much higher than water.

Ans)   D) Lithium


2)     The most commonly used icon for Linux software:

A) Tux, the penguin

B) Larry Bird

C) Golden eagle

D) Sparrow

Tux the penguin is the official mascot and the most commonly recognized icon for the Linux kernel and most Linux software. Tux was designed by Larry Ewing and is widely used by the open-source community as a symbol of Linux

Ans)   A) Tux, the penguin