Saved Bookmarks
| 1. |
A Tap Can Fill A Tank In 6 Hours. After Half The Tank Is Filled, Three More Similar Taps Are Opened. What Is The Total Time Taken To Fill The Tank Completely? |
|
Answer» Time taken by one tap to fill HALF tank = 3hrs. PART FILLED by the four TAPS in 1 hrs = (4*1/6) = 2/3. Remaining part = (1-1/2) = 1/2. so 2/3 : 1/2 :: 1:x => x = 1/2*1*3/2) = 3/4 hrs. => 45 MIN. => Total time taken = 3 hrs 45 min. Time taken by one tap to fill half tank = 3hrs. Part filled by the four taps in 1 hrs = (4*1/6) = 2/3. Remaining part = (1-1/2) = 1/2. so 2/3 : 1/2 :: 1:x => x = 1/2*1*3/2) = 3/4 hrs. => 45 min. => Total time taken = 3 hrs 45 min. |
|