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
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?