An election was held between two candidates. The winning candidate scored 54% of the valid votes and won by 88 votes. If 58 votes were declared invalid, then find the total number of votes polled in the election.
The salary of employees in a factory was reduced by 20% due to economic crisis. In order to have their salary back to original amount, it must be raised by:
The volume of rectangular block is 12288 mยณ. Its dimension are in the ratio of 4 : 3: 2. If the entire surface is polished at the rate 2 paise per mยฒ,then find the total cost of polishing