Given that the average duplication time of E. coli is 20 minutes how much time will two E.coli cells take to become 32 cells?

A car travels 48 km in 50 minutes. How much time will it take to travel 24 km at the same speed?

If the orbit of a satellite is exactly 35780 km above the earth's surface then tangential velocity of the satellite is 3.08 km/s. how much time the satellite will take to complete one revolution around the earth?

How many times will a cell have to divide mitotically to form 128 cells ?

A particle performs S.H.M. of period 12 second and amplitude 8 cm. If initially the particle is at the position extremity , how much time will it take to cover a distance of 6 cm from the extreme position ?

How many generations time of mitotic divisions occur in a cell of root tip to form 256 cells

A rectangular vessel when full of water takes 10 minutes to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water

A metal sphere cools from 80^@C to 60^@C in 6 minutes. How much time will it take to cool from 60^@C to 40^@C if the room temperature is 30^@C ?

A cistern is being emptied in such a way that the rate at which water is flowing out is proportional to the amount left at that instant. If half the amount flow in 7 minutes, after how much time 1/8 th of the water will be left? a)14 minutes b)21 minutes c)28minutes d)35 minutes

A stone is thrown vertically upward with a velocity of 30 m//s . How high will it rise? After how much time will it return to ground ? [Take g = 10 m//s^2]