Milk contains 6% water. What quantity of pure milk should be added to 12 litres of milk to reduce the quantity of water to 3%?

- 135 sweets were distributed equally among children in such a way that the number of sweets received by each child is 60% of the total number of children. How many sweets did each child received?
- A gave 60% of the amount he had to B. B gave 3/5th of what he received from A to C. After paying Rs. 220 to the taxi driver out of the amount he gets from B, C is now left with Rs. 1400. How much amount did A have?
- A gave 40% of the amount he had to B. B gave 2/5th of what he received from A to C. After paying Rs. 260 to the taxi driver out of the amount he gets from B, C is now left with Rs. 1500. How much amount did A have?
- A gave 45% of the amount he had to B. B gave 2/3rd of what he received from A to C. After paying Rs. 240 to the taxi driver out of the amount he gets from B, C is now left with Rs. 2400. How much amount did A have?
- If the radius of the base of a right circular cylinder is increased by 20% and the height is decreased by 30%, then what is the percentage increase/decrease in the volume?
- In a zoo, 40% of the people are males. 50% of the remaining are females and the remaining 580 are children’s. Find the total number of people in a zoo.
- In a class of 60 students and 15 teachers, each student got gifts that were 40% of total number of l7students and each teacher got gifts that were 30% of total number of students. How many gifts were there in total?
- In a village election between two candidates, the winner secured 65% of the total votes cast and won by a majority of 9000 votes. How many votes did the losing candidate get?
- The only expenses of Arun are on grocery, rent and fun expenses. Arun spent Rs. 4,000 on fun, amount spent by him on rent is Rs. 9,000 more than that on fun and amount spent on groceries is 150% of that on rent. If he saved 20% of his total income then, find his total income.
- In a mixed school 25% of the scholars are infants under 7 and the number of girls above 7 is 4/5 of the number of boys above 7, is 120. Find the number of scholars in the school.

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