Question
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 15 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If all three pipes are opened together then what is the time taken to fill 50% of the cistern?
More Arithmetic Progression Questions
- The sum of three numbers in AP is 21, and their product is 315. Find the numbers.
- What is least number which when successively divided by 6, 4 and 4 leaves a remainder 5, 3 and 3 respectively?
- Sum of first 20 terms of an AP is 610. First term = 12. Find approximate common difference.
- What is the mode of the given data? 5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7
- 21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.
- The ratio of length and breadth of a rectangular field is 5:9. If the total cost of surrounding it at the rate of Rs 7.50 per meter is Rs 4200, then find t...
- The current age of Anupama is 25% greater than Chinky's age. Four years ago, the ages of Beena and Chinky were in the ratio of 4:5. If the combined present...
- If 8 times the eighth term of an Arithmetic Progression (AP) is equal to 12 times its twelfth term, then the 20th term of the AP will be
- The areas of three adjacent faces of a cuboid are 32 cm2,24cm2 and 48cm2.Find the volume of cuboid.(in cm) 3
- The number 8192 is which term in the following geometric sequence 2, 8, 32, 128, . . . . . . .
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