By how much is the value of {-10-(-7)} greater than the value of {-10 + (-7) }?

Tanveer earns Tk. 5.00 for every hour he works . Last weeks worked for x hours. He purchased y kg of rice. Pri...

If x5=243 , what is the value of x-3 ?

A brand of paint costs Tk. 14 per liter and 1 liter of paint will cover an area of 150 square feet. what is th...

Of the 50 students in a college , 32 are enrolled in psychology class and 37 are enrolled in logic. If 6 of th...

Danny attended a test containing 40 questions. If he had corrected 18 questions out of the first 22 and two-th...

Bonds Telecom sold 140 SIM cards for Tk. 250 each, 120 SIM cards for Tk. 215 each and 50 SIM cards for TK. 200...