Name the machine has replaced the ballot paper in election.

When was the mandate, that a candidate at an election should file with his nomination papers an affidavit recording the particulars of the spouse and the dependents, enforced at a general election for the first time?

Your mother purchased a washing machine for Rs. 10,000 from an authorised dealer of the manufacturer with an oral guarantee that the machine will be replaced with a new one if any of its parts becomes defective within 3 months from the date of purchase. The motor of the machine was burnt within 15 days of its purchase. On complainting, the seller refused to replace the machine. Name the redressal agency under the Consumer Protection Act where your mother can file the complaint.

Name the machine used in recovering the grain from already cut crop.

Find three machines that can be replaced with hook ups of (xx5) machines.

Assuming the first part of the statement as p, second as q and the third as r, the statement 'Candidates are present, and voters are ready to vote but no ballot papers' in symbolic form is