Questions

1 m/s equals ____________ km/hr

The SI unit of acceleration is __________.

What is the unit of the physical quantity, Illuminance?

Pressure is measured in terms of

Classes comprising animals like fishes, amphibians, reptiles, birds along with mammals constitute the category called?

Breadth of a rectangle is equal to the diagonal of the square whose side is 2.5√2 cm. Ratio between length and breadth of rectangle is 3 : 1. Find the area of the rectangle (in cm2).

If X+Y=3,XY=2, find the value of X3-Y3

___________ bears have white fur so that they are not easily visible in the snowy background.