sir in ques 9 why we put time taken by smaller tap plus time taken by larger tap to fill the tank equal to 1 ?
Godown measuring 14 to 25 into 15 find the maximum number of godown each measuring create 1.5 into 1.5 into 0.5
A well of diameter 140cm has a stone parapet around it. If the length of the outer edge of the parapet is 616cm, find the width of the parapet