A body ascends a slope with a
speed of 10m/s.If 105J of energy
of the body is lost due to friction
then the height to which the body
will rise is
a)0.5m b)4.5m c)3.5m d)2.0m
there are 5 possible answers for each question of a
multiple choice exam containing 10 questions.
if a condidate answered it randomly.
find the probability that he gets (i) no question right
(ii) 3 questions right (iii) 5 questions right
(iv) at least one question right
L_1 and L_2 are two lines which intersects
each other at a right angle at the
point (1,3),L_1 cuts the y−axis at
the point (0,2) find the equations of L_1 and L_2
A boy runs towards a man standing
150m away.Speed of boy is 5m/s
and that of man is 10m/s.The
time and distance of their meeting
from the boy^. s position are
a)15s b)5s and 150m c)10s and 50m
d)10s and 100m
A mobike rider moving from A to B
with speed 20km/h notices that a
bus goes past it every 21 minute in
the direction of his motion and
every 7 minutes in the opposite
direction.Velocity of the bus is
a)25km/h b)35km/h c)30km/h
d)40km/h