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Start learning 50% faster. Sign in now1stPipe 2ndPipe 3rdPipe Diameter 2 8/3 4 6 8 12 3 : 4 : 6 Efficiency proportional to the Square of the diameter 9 : 16 : 36 Total efficiency = 9 + 16 + 36 = 61 Pipe 3rdcan fill the cistern in 183 minutes (given) Therefore, the capacity of the Tank = (36 × 183) = 6588 Now, the Time taken by all pipes together = 6588/61 = 108 minutes
Aman allocated 40% of his monthly income for purchasing newspapers and then spent 52% of the remaining amount on food, saving the rest. If the amount sa...
In a village, number of male, female and children are in the ratio of 3:5:7. If 90% of the males are literate, 80% of females are literate and 40% of ch...
A spent 30% and 26% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 20% and 40% to his mother and brother, respec...
Meenu spent 10% of the salary on entertainment and 10% on makeup. She spent 20% of the remaining on the food and 50% of the remaining invested in mutual...
Monthly income of A is Rs. 44500 out of which he spent 22%, 14% and 23% of his total income in rent, medicine and transportation, respectively. Find his...
A person sells each package of snacks for Rs. 13 each. On Monday, he sold 100 packages which was 32 more than that on Tuesday but 21 less than that on W...
B invests 20% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
