A took half of the apples, returned 10. B took one-third of what were left...it went on...Evaluate number of apples in the beginning, but no algebra please.
Measure exactly 8 liter of water using a 11 liter jug and a 6 liter jug. You may fill and empty the jugs many times using a large tank with enough water.
Measure 4 liters of water with two empty jugs of 5 liters and 3 liters capacity and a tank full of water. Fill and pour as many times as you want.
The hardest geometry question from math extension 2 exam paper in NSW HSW 2018 test in Australia solved step by step and each step clearly explained.
Usually we take the first decision on the first event we see, then take the next and so on. But, working backwards technique often solves a problem quickly.
