Let the rate of swimming in still water be x km/hr Rate down-stream = (x + 12) km/hr Rate up-stream = (x – 12) km/hr According to the question, (x + 12) t = 3 (x – 12) × t x + 12 = 3x – 36 x = 24 km/hr
The major component of honey is-
The most reactive among the halogens is-
A polymeric substance used to make parachute is
Which one amongst the following is not a Green House gas?
Milk tastes sour when kept in the open for sometimes due to the formation of-
Formation of ozone hole is maximum over
_________is the process in which acids and bases react to form salts and water.
The most reactive among the halogens is-
An electric iron has a heating element made of:
Which one amongst the following is not a Green House gas?
