Q1. Find the number which when decreased by 12 becomes 198

Q2. A combination of 20 kg of milk and water contains 10 water Then how much water must be included to this combination to increase the of water to 25

Q3. In an examination 52 of the students failed in Hindi and 42 failed in English If 17 failed in both of these subjects what percentage of students passed in both subjects

Q4. In an election between two candidates the winner has a margin of 10 of the votes polled If 1500 people change their mind and vote for the loser the loser would have won by a margin of 10 of the votes polled Find the total number of votes polled in the election

Q5. In an election the votes between the winner and loser candidate are in the ratio 5 1 If total number of eligible voters are 1000 out of which 12 did not cast their vote and among the remaining vote 10 declared invalid What is the number of votes the winner candidate get