A can do a piece of work in 10 days, B can do the same in 30 days and C in 60 days. If A is assisted on alternate days by B and C, in how many days would the work get completed?
If Arif is making a profit of 25 percent on his selling price, what is his actual profit percentage?
The simple interest on a certain sum of money at 4 percent per annum for 4 years is TK. 87.5 more than interest on the same sum for 3 years at 5 percent per annum. Find the sum of money.
How many numbers from 11 to 50 are there which are exactly divisible by 7 but not by 3?
Neela got married 6 years ago. Today her age is 1.25 percent times her age at the time of marriage. Her son's age is 1/10 her age. Her son's age is:
The ratio between the length and the perimeter of a rectangular plot is 1:3 and the ratio between the breadth and perimeter of that plot is 1:6. What is the ratio between the length and area of that plot?
A train running at 36 kmph passes another train completely in 12 sec, which is half of its length, running in the opposite direction at 54 kmph. If it also passes a railway platform in 1.5m, what is the length of the platform (in meters)?
A florist has 200 roses and 180 jasmines with him. He was asked to make garlands of flowers. Which of the following numbers of flower will join together without leaving a single flower?