Arre, for nearest ten, watch the units digit—if it's 5 or more, round up. For nearest hundred, watch the tens digit the same way. Honestly, your gut is faster than your head if you handle cash all day like I do. My own kanjoos calculations for vegetable stock taught me that; I'm always rounding prices in my favour to make the day's rent!
#exams#study
Jump in to reply — no account needed.