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A alone can do 60% of the work in 12 days and B alone can do 20% of the work in 12 days. A works for 2 days and rest of the work done by B. Find the total time taken by B to complete the remaining work.
Three friends P, Q ad R share Rs. 13000. Q gets Rs 2000 from the total amount and P has 20% more amount than R. Find the difference between amount received by Q and R.
100 liters of mixture contains milk and water in the ratio of 7: 3 respectively. 50 liter mixture of milk and water contains 20% milk. If both the mixture mixed together, then find the difference between milk and water.
The area of right-angled triangle is 18 sq cm. If the side of the square is the product of base and height of the triangle, then find the area of the square.
Series A consist of four consecutive odd numbers whose average is 66 and series B consist of four consecutive even numbers whose average is 51. Find the difference between the second smallest number of series A and smallest number of series B.
What will come in the place of question (?) mark in following questions.
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