If (4x-7)<(2x+13), then which of the following must be true?

Two third of the faculty members of a department are female. Twelve of the male faculty members are unmarried,...

A salesman travels a distance of 70 miles in 2.5 hours. How much faster, in miles per hour, must he travel to...

Half of the students of a school play football and one third of the rest play cricket. The remaining 300 stude...

Mr. X can do a job in 8 days and his son can do it in 12 days. How many days will it take to complete the job...

A Company makes a profit of 6% on its first Tk. 10,000 of sales day and 5% on all sales in excess of Tk. 10,00...

The sales price of an item including the sales tax is Tk. 616. The tax rate is 10%. If the shopkeeper made a p...