A can do 1/2 of a piece of work as B and C does 1/2 as mch work as A and B together.If C alone can finish the work in 40 days,then together all will finish the work in-
a)30 days
b)13+1/3days
c)15 days
d)20 days
ram borrows rs.8000 at 12% p.a. simple interest and mohan borows rs.9100 at 10% p.a. simple interest. in how many years will their borrowed amounts(dept) be equal?
An article costs Rs 50 presently. The rate of inflation is 300%. What will be cost of this
article after two years?
(a) ` 200 (b) ` 600 (c) ` 800 (d) ` 1000