4/7th part of a pillar is stuck in the mud. When 1/3 of the recessed part is pulled out, it is found that...

(4)/(9) of a pole is in the mud.When (1)/(3) oft is pulled out, 250cm of the pole is still in the mud length of the pole (a) 1000cm, (b) 1100cm, (c) 950cm (d) 1050

If the (2)/(7)th part of a certain sum was donated and (1)/(4) th was spent on education, then the balance amount will be

If the (2)/(7) th part of a certain sum was donated and (1)/(4) th was spent on education, then the balance amount will be