Due to the recession, a show room reported that revenue from luxury car sales were down by 11% and revenue from economy car sales were up by 7% . If the total revenue were up by 1% then what is the ratio of revenue from luxury car sales to revenue from economy car sales ?

A machine produces 1,000 units of plastic chair per hour . Working continuously at this rate, how many plastic...

Topu earns TK. 5.00 for every hour he works. Last week he worked for x hours . He purchased y kg of rice. Pric...

When a positive integer x is divided by a positive integer y the remainder is 9. If x = 96.12 then what is the...

If x is an integer then which of the following must be odd ?

The capacity of computer memory is increasing exponentially . At the same time increased capacity is becoming...

A wire that weight 24 kilogram is cut into two pieces so that one of these two pieces weigh 16 kilogram and is...