Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

8 x {5 - (-2) x (-3)} = ?

In human beings, the respiratory pigment is

Select the appropriate combination of letters that when sequentially placed in the gaps of the given letter series will complete the series.

_vww_uuv_wvuu_w

Which of the following Venn diagrams correctly represents the following classes:

Karnataka, India, Asia

Two pipes namely A,B can fill a sump in 25 minutes and half an hour respectively and a pipe C can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity off the tank is

____ tissue changes the diameter of a blood vessel.