A toy was bought for Tk 75 and sold at a gain of 8%. What was its selling price in Tk ?
If a man's salary is 20% more than that of his son, how many percent is the son's salary if compared to the salary of his father ?
A woman is 30 times older than her son. 18 years later she will be thrice as old as her son. What is the woman's present age in years ?
If x men can do a work in 8 days and x+4 men can do it in 6 days, what is the value of x ?
If product of two sequential positive odd numbers is 255, what are those numbers ?
In a garden, there are 10 rows and 12 columns of mango trees. The distance between two trees is 2 meters and a distance of one meter is left from all sides of the boundary of the garden. What is the length of the garden ?
The rent of a guest house was Tk 50 per day for first three days Tk 100 per day for next 5 days and Tk 300 per day for other days. The registration fee in the beginning is Tk 50. If one has to pay Tk 1300, for how many days he availed of this facility ?
A motorist travels to a place 150 m away at an average speed for 50 km and returns at 30 km per hour. What is his average speed for the whole journey in km per hour ?
The average of Selim's marks in 7 subjects is 75. His average in six subjects excluding Science is 72. How many marks did he get in Science ?
What is the value of x if 4/x +3/5 = 10/x ?
If 3a+4b = 10 and 5a+3b=30, what is the average (arithmetic mean) of a and b ?
The number of marbles in Amin's collection is 80% of the number in Rahim's collection. If Rahim has 80 more marbles than Amin, how many marbles do they have altogether ?
A water reservoir is 1/5 th full and requires 20 liters more to make it 3/5 th full. What is the capacity of the reservoir (in liters) ?
In dividing a sum of money, the eldest of three brothers got 2/5 th of it and the youngest got Tk 120. What was the total sum in Tk if the amount received by the other brother was 1/3rd of the total ?
If x:y = 5:3 then (8x-5y):(8x+5y) = ?
A third of Karim's marks in Mathematics exceeds a half of his marks in Social Studies by 30, if Karim got 240 marks in the two subjects together, how many marks did he get in Social Studies ?