a cylindrical vessel of radius 4cm contains water. a solid sphere of radius 3cm is lowered into the water until it is completely immensed. the water level in the vessel will rise by ?
if a wire is bent into the shape of a square , then the area of the square is 81cm square. when wire is bent into a semi circular shape, then the area of the semi-circle will be ?
I) Trains A and B are travelling on the same route heading towards the same destination.Train B has already covered adistance of 220km before the train a started
II)The two trains meet each other after 11 hours after start of train 'A'
III)Had the trains been travelling towrds each other(from a distance of 220 km) they would have met after 1 hour
Q1) what is the speed of train 'B' in kmph:
a)100
b)180
c)116
d)none
Q2)What is the spped of train of 'A' in kmph:
a)102
b)80.5
c)118
d)none