60 reems initially.. 40 reems used..
so 20reems left...
radius of reem-roll is directly proportional to number of
reems on it..

and amount of paper is proportional to the area of circle..
so
answer is 2^2/6^6 = 1/9
think guys think !!
amount of paper on 1st reem will be way less than that of
60th !!
radius of reem-roll increases with each reem

Mohan started running from point A along with a circle of
1400 meter radius with the speed of 12 Km/hr. Ram also
started running in the opposite direction from the same
point with the speed of 15 km/hr. Both started at 9:00 AM.
At what time will they meet first time?
9:15 AM
9:25 AM
10:00 AM
9:20 AM
None of the Above

Two cars travel in the same direction at 40km/hr at a
regular distance. A car comes in the opposite direction at
60km/hr. It meets each car in a gap of 8 seconds. What is
the distance between the two cars?

Abhays age after three years will be three-seventh of his
fathers age . ten years ago ,the ratio of their ages was
1:5 . what is Abhays fathers age at present ?(*** plz give
explanation also***)

78 identical cubes each with 2 cm edge are joined together
to form a cuboid. If the perimeter of the base of the
cuboid is 64 cm, then the number of cubes along the height
of the cuboid is

a person is doing job from his earning he spents1/4 th of
the salary for travelling,1/5 for his personal expenses.and
rs 50 he will be depositing in the bank.what is his total
salary?

Four Members A,B,C,D are playing a game .A person losing
a game should double the amount of others .B,C,D are losing
in order after three games .The amount after 3 games are
A&B having 40,D is having 16&C 80. Each questions carry one
mark:
a) who started with small amount of money?
b) who started with greatest amount of money?
c) what amount did B have?